Chapter XII: Abraham Ibn Daud (2)

The Aristotelian proof of Ibn Daud knows nothing about the origin of being. As far as Aristotle's own view is concerned there is no _temporal_ beginning either of being or of motion. Both are eternal, and so is matter, the basis of all genesis and change. God is the eternal cause of the eternal motion of the world, and hence of the eternal genesis and dissolution, which constitutes the life of the sublunar world. How to reconcile the idea of eternal time and eternal motion with the doctrine that an actual infinite is impossible we shall see when we treat Maimondes (p. 251). Ibn Daud does not adopt eternity of motion even hypothetically, as Maimonides does. But this merely removes the difficulty one step. For the infinity which is regarded impossible in phenomena is placed in God. But another more serious objection is the adoption of an Aristotelian argument where it does not suit. For the argument from motion does not give us a creator but a first mover. For Aristotle there is no creator, and his proof is adequate. But for Ibn Daud it is decidedly inadequate. We are so far minus a proof that God is a creator _ex nihilo_. Ibn Daud simply asserts that God created matter, but this argument does not prove it. As to the incorporeality of God Aristotle can prove it adequately from the eternity of motion. If a finite body (and there is no such thing as an infinite body) cannot have an infinite power, God, whose causing eternal motion argues infinite power, is not a body. Ibn Daud's attempt to prove God's infinity without the theory of infinite motion on the ground that time cannot affect what is immovable, is decidedly less satisfactory. On the whole then this adoption of Aristotle's argument from motion is not helpful, as it leads to eternity of matter, and God as the mover rather than the Creator. Gersonides was frank enough and bold enough to recognize this consequence and to adopt it. We shall see Maimonides's attitude when we come to treat of his philosophy.

Ibn Daud may have been aware of the inadequacy of his argument from motion, and therefore he adds another, based upon the distinction between the "possible existent" and the "necessary existent"--a distinction and an argument due to Alfarabi and Avicenna. A possible existent is a thing whose existence depends upon another, and was preceded by non-existence. It may exist or not, depending upon its cause; hence the name _possible_ existent. A necessary existent is one whose existence is in itself and not derived from elsewhere. It is a necessary existent because its own essence cannot be thought without involving existence. Now the question is, Is there such a thing as a necessary existent, or are all existents merely possible? If all existents are possible, we have an infinite series, every link of which is dependent for its existence upon the link preceding it; and so long as there is no first there is nothing to explain the existence of any link in the chain. We must therefore assume a first, which is itself not again dependent upon a cause prior to it. This is by definition a necessary existent, which is the cause of the existence of everything else. This proof is compatible with God as a Creator.

Having shown the existence and incorporeality of God we must now prove his unity. We shall base this proof upon the idea of the necessary existent. Such an existent cannot have in it any multiplicity; for if it has, its own essence would not be able to keep the elements together, and there would be need of an external agent to do this. But in this case the object would be dependent upon something else, which is incompatible with the idea of a necessary existent.

Nor is it possible there should be two necessary existents; for the necessary existent, we have just shown, must be of the utmost simplicity, and hence cannot have any attribute added to its essence. Now if there is a second, there must be something by which the first differs from the second, or they are identical. Either the first or the second therefore would not be completely simple, and hence not a necessary existent.

We have thus shown that God is one both in the sense of simple and in the sense of unique. To have a clear insight into the nature of his unity, we must now show that nothing else outside of God is really one, though we apply the term one to many things. No one will claim that a collective is one; but neither is an individual really one, for an individual man, for example, consists of many organs. You might think that a homogeneous and continuous elementary mass like air or water is one. But this is not true either, for everything that is corporeal is composed of matter and form. If then we set aside corporeal objects and aim to find real unity in mathematical entities like line and surface, which are not corporeal, we are met with the difficulty that line and surface are divisible, and hence potentially multiple. But neither are the simple intellectual substances, like the angels, true ones; for they are composed of their own possible existence and the necessary existence they acquire from another. The only being therefore that may be a true one is that which is not corporeal and not dependent upon another for its existence.

Considering the question of unity from a different aspect, in its relation, namely, to the thing designated as one, we find that unity never forms the essence of anything called by that name; but is in every case an accident. Thus if it were the essence of man as man that he is one, there could not on the one hand be many men, and on the other there could not also at the same time be one horse, one tree, one stone. In God his unity cannot be an accident, since as simple he has no accidents. Hence his unity is his essence. And if we examine the matter carefully we find that it is a negative concept. It involves two things. First, that every other unity involves plurality in some form or another. And second that being unlike anything else, he cannot bear having other things associated with him to make the result many, as we can in the case of man. A, for example, is one; and with B, C, and D he becomes many. This is not applicable to God.[238]

The divine attributes form the next topic we must consider. Here Ibn Daud offers little or nothing that is essentially new. He admits neither essential nor accidental attributes, for either would bring plurality and composition in the nature of God. The only attributes he admits are negative and relative. When we speak of God as cause we do not place any special entity in his essence, but merely indicate the dependence of things upon him. The truest attributes are the negative, such as that he is not body, that his existence is not dependent upon another, and so on; the only difficulty being that negative attributes, though removing many doubts, do not give us any positive information. All the anthropomorphic attributes in the Bible endowing God with human functions like sleeping and waking, or ascribing to him human limbs, eyes, ears, hands, feet, etc., must be understood metaphorically. For the Bible itself warns us against corporealizing God, "Take ye therefore good heed unto yourselves; for ye saw no manner of form on the day that the Lord spake unto you in Horeb" (Deut. 4, 15). When the Bible speaks of God's anger and favor, the meaning is that good deeds bring man near to God and cause happiness which is known as paradise ("Gan Eden"), and bad deeds remove far away from God and lead to misfortune, called Gehenna. It is like the apparent motion of the trees and the mountains to the traveller, when in reality it is he that is moving. So here God is said to approach and depart, to be angry with and favor, when in reality it is man who by his deeds comes near to God or departs far from him. When we assign many attributes to God we do not mean that there is any multiplicity in his nature. This cannot be. It is like the case of a man whose eyes are not properly co-ordinated. He sees double when there is only one. So we too suffer from intellectual squinting, when we seem to see many attributes in the one God.

The most common and most important attributes are the following eight: One, existent, true, eternal, living, knowing, willing, able. It can be easily shown (and Ibn Daud does proceed to show, though we shall not follow him in his details) that all these are at bottom negative. Unity means that there is nothing like him and that he is indivisible. Eternal means he is not subject to change or motion. True means he will never cease existing and that his existence does not come from another, and so on with the rest.

He closes his discussion of the attributes by intimating that he has more to say on this topic, but had better be content with what has been said so far, for a more thorough discussion of these matters in a book might do harm to those who do not understand and interpret the author's words incorrectly. This reminds us of Maimonides's adjuration of the reader to keep what he finds in the "Guide of the Perplexed" to himself and not to spread it abroad. Philosophy clearly was a delicate subject and not meant for intellectual babes, whose intellectual digestion might be seriously disturbed.[239]

We have now concluded our theory of God and his attributes; and in doing so we made use of principles of physics, such as matter and form, potentiality and actuality, motion and infinity. The next step is to prove the existence and nature of intermediate spiritual beings between God and the corporeal objects of the superlunar and sublunar worlds, called angels in the Bible, and secondary causes by the philosophers. For this purpose we shall have to apply the principles we have proved concerning the soul and the motions of the heavenly bodies. We have proved above that the human soul is at first in the child intelligent potentially and then becomes intelligent actually. This requires an agent, in whom the end to which the potential is proceeding is always actual. As the rational soul is neither body nor a corporeal power, this actual agent cannot be either of these, hence it is neither a sphere nor the soul of a sphere, but it must be a simple substance called _Active Intellect_. The prophets call it "Holy Spirit" ("Ruah Ha-Kodesh"). We thus have a proof of the existence of at least one such simple intellectual substance, or angel, the relation of which to the human soul is as that of light to vision. Without light vision is potential, light makes it actual. So the active intellect makes the potential soul actual and gives it first the axioms, which are universally certain, and hence could not have originated by induction from experience.

Similarly we can prove the existence of other simple substances from the motions of the heavenly spheres. We have already shown that the spheres are living beings and endowed with souls. But souls, while causing motion in their bodies are at the same time themselves in a sort of psychic motion. This must be caused by unmoved movers, or intellects, who are also the causes of the souls. To make this difficult matter somewhat clearer and more plausible, we may instance an analogy from familiar experience. A ship is made by the shipbuilder, who is its corporeal cause. But there is also an incorporeal cause, likewise a ship, _viz._, the ship in the mind of the shipbuilder. The analogy is imperfect, because the incorporeal ship in the mind of the builder cannot produce an actual corporeal ship without the builder employing material, such as wood, iron, etc., and in addition to that expending time and physical exertion on the material. But if he had the power to give the form of a ship to the material as soon as the latter was prepared for it without time and physical manipulation, we should have an instance of what we want to prove, namely, the existence of simple immaterial substances causing forms to emanate upon corporeal existences. This is the nature of the active intellect in its relation to the soul of man, and it is in the same way that the philosophers conceive of the motions of the heavenly spheres. God is the first unmoved mover. The angels or simple substances stand next to him; and they, too, are always actual intelligences, and move the heavenly bodies as the object of love and desire moves the object loving it without itself being moved. The heavenly bodies move therefore because of a desire to perfect themselves, or to become like unto their movers.

So far Ibn Daud agrees with the philosophers, because the doctrines so far expounded are not incompatible with the Bible. But when the philosophers raise the question, How can the many originate from the One, the manifold universe from the one God, and attempt to answer it by their theory of successive emanations, Ibn Daud calls a halt. The human mind is not really so all-competent as to be able to answer all questions of the most difficult nature. The doctrine of successive emanations is that elaborated by Alfarabi and Avicenna, which we have already seen quoted and criticized by Judah Halevi (_cf._ above, p. 178 f.). It is slightly more complicated in Ibn Daud, who speaks of the treble nature of the emanations after the first Intelligence--an intelligence, a soul and a sphere--whereas in Halevi's account there were only two elements, the soul not being mentioned.[240]

We have so far dealt with the more theoretical part of theology and religion, so much of it as may be and is accepted by nations and religions other than Jews. It remains now to approach the more practical and the more specifically Jewish phases of religion; though in the purely ethical discussions and those relating to Providence we have once more a subject of general application, and not exclusively Jewish.

As the introduction to this second part of the subject, Abraham Ibn Daud devotes a few words to the theoretical defence of tradition, or rather of mediate knowledge. He does so by analyzing the various kinds of knowledge. Knowledge, he says, is either intelligible or sensible. Sensible knowledge is either directly perceived by the subject or received by him from another who perceived it directly, and whom he believes or not as the case may be. That is why some things believed by some people are not believed by others. The ignorant may think that this weakness is inherent in matters received from others. As a matter of fact such indirect knowledge is at the basis of civilization and makes it possible. If every man were to judge only by what he sees with his own eyes, society could never get along; there would be no way of obtaining justice in court, for the judge would not put credence in witnesses, and the parties would have to fight out their differences, which would lead to bloodshed and the disruption of social life. The different attitude of different persons to a given matter of belief is due not necessarily to the uncertainty of the thing itself, but to the manner in which the object of the belief came down to us. If a thing rests upon the testimony of one man, its warrant is not very strong. But if a whole nation witnessed an event, it is no longer doubtful, unless we suppose that the account itself is due to one writer, and the event never happened. We shall discuss these matters in the sequel.[241]

Having justified in a general way the knowledge derived from the testimony of others by showing that society could not exist without depending upon such knowledge; though admitting at the same time that caution should be exercised and criticism in determining what traditional testimony is valid or not, we now take up one of these traditional phenomena which plays perhaps the most important rôle in Jewish theology, namely, the phenomenon of prophecy. Before discussing the traditional aspect of this institution and its purpose in the history of religion we must consider it from its natural and psychological aspect.

The explanation of Ibn Daud--it was not original with him, as we have already seen the non-religious philosopher in Halevi's Cusari giving utterance to the same idea, and in Jewish philosophy Israeli touches on it--the explanation of Ibn Daud is grounded in his psychology, the Aristotelian psychology of Avicenna. The first degree of prophecy, he says, is found in true dreams, which happen to many people. Just as waking is a state of the body in which it uses the external as well as the internal senses, so sleeping is a state of the body in which the soul suppresses the external senses by putting them to sleep, and exercises its "natural" powers only, such as the beating of the heart pulse, respiration, and so on. The internal senses are also at work during sleep, or at least some of them. In particular the power of imagination is active when the external senses are at rest. It then makes various combinations and separations and brings them to the common sense. The result is a dream, true or false. When the senses are weak for one reason or another this power becomes active and, when not controlled by the reason, produces a great many erroneous visions and ideas, as in the delusions of the sick.

The Deity and the angels and the Active Intellect have a knowledge of the past, present and future, and we already know that the soul, _i. e._, the rational soul, receives influence from the Active Intellect as a natural thing in every person. Now just as it gets from it science and general ideas, so it may receive a knowledge of hidden things if the soul is adequately prepared. The reason it cannot receive information of hidden things from the Active Intellect in its waking state, is because the soul is then busy in acquiring knowledge through the senses. In sleep, too, it may be prevented by the thick vapors rising from the food consumed during the day, or by anxiety due to want of food or drink. The imagination also sometimes hinders this process by the constant presentation of its foolish combinations to the common sense. But sometimes this power comes under the control of the reason, and then the rational soul is prepared to receive hidden things from the Active Intellect. In those cases the imagination transforms these facts into images, which are true dreams. If they concern an individual or a particular event, we do not call them prophecy, or at least the share of prophecy they may have is very small. We call them prophetic dreams when they concern important matters and have reference to a whole nation or nations, and come to pass in the distant future. An example of such a dream is that recorded in Daniel 7, 1.

Sometimes the information comes to the prophet without the aid of an image, when the reason prevails over the imagination, like the dream of Abraham at the "covenant of the pieces" (Gen. 15, 12ff.). Sometimes, also, the activity of the senses does not prevent the prophet from seeing the hidden things of the future, and he receives prophetic inspirations while awake. The prophet sometimes faints as he is overcome by the unusual phenomenon, at other times he succeeds in enduring it without swooning. All these cases can be illustrated from the Bible, and examples will readily occur to the reader who is familiar with the various instances and descriptions of prophetic visions and activities in Scripture.

The purpose of prophecy is to guide the people in the right way. With this end in view God inspires a proper man as a prophet and gives him superior powers to perform miracles. Not every man is capable of prophecy, only one who has a pure soul. For the most part the prophetic gift is innate, at the same time study and good associations help to develop this power in him who has it. Witness the "company of prophets," whose example inspired Saul (1 Sam. 19, 20), and Elisha as the disciple of Elijah.

While we thus see Ibn Daud, unlike Halevi, adopting the philosophical explanation of prophecy, which tries to bring it within the class of natural psychological phenomena and relates it to dreams, he could not help recognizing that one cannot ignore the supernatural character of Biblical prophecy without being untrue to the Bible. He accordingly adds to the above naturalistic explanation a number of conditions which practically have the effect of taking the bottom out of the psychological theory. If Judah Halevi insists that only Israelites in the land of Palestine and at the time of their political independence had the privilege of the prophetic gift, we realize that such a belief is of the warp and woof of Halevi's innermost sentiment and thinking, which is radically opposed to the shallow rationalism and superficial cosmopolitanism of the "philosophers" of his day. But when the champion of Peripateticism, Abraham Ibn Daud, after explaining that prophecy is of the nature of true dreams, and though in most cases innate, may be cultivated by a pure soul through study and proper associations--repeats with Judah Halevi that the time and the place are essential conditions and that Israelites alone are privileged in this respect, he is giving up, it seems to us, all that he previously attempted to explain. This is only one of the many indications which point to the essential artificiality of all the mediæval attempts to harmonize a given system of philosophy with a supernaturalistic standpoint, such as is that of the Bible. It is not in this way that the Bible is to be saved if it needs saving.[242]

The next practical question Ibn Daud felt called upon to discuss was that of the possibility of the Law being repealed, abrogated or altered. This he found it necessary to do in order to defend the Jewish standpoint against that of Christianity in particular. How he will answer this question is of course a foregone conclusion. We are only interested in his manner of argument. He adopts a classification of long standing of the Biblical laws into rational and traditional. The first, he says, are accepted by all nations and can never be changed. Even a band of thieves, who disregard all laws of right and wrong as they relate to outsiders, must observe them in their own midst or they cannot exist. These laws bring people of different nationalities and beliefs together, and hence there can be no change in these. Nor can there be any alteration in that part of the Law which is historical in content. An event of the past cannot be repealed.

It only remains therefore to see whether abrogation may possibly be compatible with the nature of the traditional or ceremonial laws. Without arguing like the philosophers that change of a divine law is incompatible with the nature of God, which is unchangeable, our sages nevertheless have a method of explaining such phrases as, "And it repented the Lord that he had made man" (Gen. 6, 6), so as to reconcile the demands of reason with those of tradition. Now if there were laws of the traditional kind stated in the Bible without any indication of time and without the statement that they are eternal, and afterwards other laws came to change them, we should say that the Lord has a certain purpose in his laws which we do not know, but which is revealed in the new law taking the place of the old. But as a matter of fact the Bible states explicitly in many cases that the laws are not to be changed, "A statute for ever throughout your generations" (Num. 10, 8, and _passim_). Arguments from phrases like, "Your new moons and your appointed feasts my soul hateth, etc." (Is. 1, 14), have no validity, for there is no indication here that sacrifices are abolished. The meaning of Isaiah is that sacrifices in conjunction with wrong living are undesirable.

Our opponents also argue that Biblical expressions to the effect that the laws are eternal prove nothing, for we know of similar instances in which promises have been withdrawn as in the priesthood of Eli's family and the royalty of the house of David, where likewise eternity is mentioned. We answer these by saying, first, that in David's case the promise was withdrawn only temporarily, and will return again, as the Prophets tell us. Besides the promise was made only conditionally, as was that made to Eli. But there is no statement anywhere that the Law is given to Israel conditionally and that it will ever be taken away from them.

The claim of those who say that the laws of the Old Testament were true, but that they were repealed and the New Testament took its place, we meet by pointing to a continuous tradition against their view. We have an uninterrupted tradition during two thousand four hundred and seventy-two years that there was a man Moses who gave a Law accepted by his people and held without any break for two thousand four hundred and seventy-two years. We do not have to prove he was a genuine prophet since they do not deny it.

Some of them say that in the captivity in Babylon the old Law was forgotten and Ezra made a new law, the one we have now. This is absurd. The law could not have been forgotten, for the people did not all go into captivity at one time. They were not all put to death; they were led into exile in a quiet fashion, and there were great men among them like Hananiah, Mishael, Azariah, Daniel and others who surely could not have forgotten the Law. Besides Ezra could never have had the consent of all the people scattered everywhere if he had made a law of his own. As a matter of fact the Law as we have it is the same in all details throughout the world.[243]

The next problem we must consider is the perennial one--the problem of evil and of freedom. It is the purpose of the entire book, as Ibn Daud tells us in his introduction.

The further a thing is removed from matter the more perfect is its knowledge. For, as we have already said, it is matter that hinders knowledge. All defect and evil is the result of the potential. Hence the farther a thing is removed from potentiality the more perfect it is and the freer it is from defect. God's essence is the most perfect thing there is; and as he knows his essence, his is the most perfect knowledge. God knows, too, that his perfection is not stationary in him, but that it extends and communicates itself to all other things in order. And the further a thing is from him the less is its perfection and the greater is its imperfection. We have thus a graduated series, at one end the most perfect being, at the other the least perfect, _viz._, matter.

Now it is impossible from any point of view, either according to reason or Bible or tradition, that evil or defect should come from God. Not by reason, for two contradictories in the same subject are impossible. Now if good and evil both came from God, he would have to be composite just like man, who can be the cause of good and evil, the one coming from his rational power, the other from the spirited or appetitive. But God is simple and if evil comes from him, good cannot do so, which is absurd. Besides, the majority of defects are privational in character and not positive, like for example darkness, poverty, ignorance, and so on, which are not things, but the negations of light, wealth, wisdom, respectively. Being negative, not positive, they are not _made_ by any body.

One may argue that it is in the nature of man that he should have understanding and perfection; and if God deprives him of it, he does evil. The answer is that the evil in the world is very small in comparison with the good. For evil and defect are found only in things composed of the elements, which have a common matter, receiving forms in accordance with the mixture of the elementary qualities in the matter. Here an external cause sometimes prevents the form from coming to the matter in its perfection. The seed, for example, depends upon the character of the soil which it finds for its growth. Now it does not follow that God was bound to give things the highest perfection possible. For in that case all minerals would be plants, all plants animals, all animals men, all men angels; and there would be no world, but only God and a few of the highest angels. In order that there shall be a world, it was necessary to make a graduated series as we actually have it. And as a matter of fact the very defects in the material composites are a good when we have in view not the particular thing but the whole. Thus if all men were of a highly intellectual type, there would be no agriculture or manual labor.

Now there are men whose temperament is such that they cannot distinguish between right and wrong, and they follow their inclinations. To counteract these bad qualities God gave his commandments and warnings. This shows that it is not impossible to oppose these evil tendencies, for in that case the commandments would be useless. The acts of man come neither under the category of the _necessary_, nor under that of the _impossible_, but under the category of the _possible_.

There are two senses in which we may understand the term possible. A thing may be possible subjectively, _i. e._, in relation to our ignorance, though objectively it may be necessary and determined. Thus we in Spain do not know whether the king of Babylon died to-day or not; and so far as we are concerned, it is possible that he is dead or that he is alive. In reality it is not a question of possibility but of necessity. God knows which is true. The same thing applies to the occurrence of an eclipse in the future for the man who is ignorant of astronomy. Such possibility due to ignorance does not exist in God.

But there is another sense of the word possible; the sense in which an event is objectively undetermined. An event is possible if there is nothing in the previous chain of causation to determine the thing's happening in one way rather than another. The result is then a matter of pure chance or of absolute free will. Now God may make a thing possible in this objective sense, and then it is possible for him also. If you ask, but is God then ignorant of the result? We say, this is not ignorance. For to assume that it is, and that everything should be determined like eclipses, and that God cannot create things _possible_, means to destroy the order of the world, of this world as well as the next. For why shall man engage in various occupations or pursue definite lines of conduct since his destiny is already fixed?

The truth of the matter is that there are several orders of causes. Some are directly determined by God, and there is no way of evading them; others are entrusted to nature, and man is able to enjoy its benefits and avoid its injuries by proper management. A third class contains the things of chance, and one may guard against these also. So we are bidden in the Bible to make a parapet on the roofs of our houses to guard against the possibility of falling down. Finally there is the fourth class, those things which depend upon the free choice of the individual. Right and wrong conduct are matters of choice, else there would be no use in prophets, and no reward and punishment. When a person makes an effort to be good, his desire increases, and he obtains assistance from the angels.

Since freedom is supported by reason, Scripture and tradition, the passages in the Bible which are in favor of it should be taken literally, and those against it should be interpreted figuratively. When the Bible says that God hardened Pharaoh's heart, it means simply that Pharaoh was allowed to proceed as he began. All the ancient sages of our nation were in favor of freedom.[244]

If we compare the above discussion of the problem of freedom with that of Judah Halevi (above, p. 171), we see that Ibn Daud is more consistent, whatever we may think of his success in solving the insoluble problem. He frankly insists on the absolute freedom of the will and on the reality of the objectively contingent, not shrinking before the unavoidable conclusion that the events which are the results of such freedom or chance are no more known beforehand to God than they are to man. And he tries to avoid the criticism of attributing imperfection to God by insisting that not to be able to foretell the contingent is not ignorance, and hence not an imperfection. The reader may think what he pleases of this defence, but there seems to be a more serious difficulty in what this idea implies than in what it explicitly says.

If the contingent exists for God also, it follows that he is not the complete master of nature and the world. To say as Ibn Daud does that God made the contingent, _i. e._, made it to be contingent, sounds like a contradiction, and reminds one of the question whether God can make a stone so big that he cannot lift it himself.

His proofs in favor of freedom and the contingent are partially identical with those of Judah Halevi, but in so far as he does not explicitly admit that the will may itself be influenced by prior causes he evades, to be sure, the strongest argument against him, but he does so at the expense of completeness in his analysis. Halevi is less consistent and more thorough, Ibn Daud is more consistent, because he fails to take account of real difficulties.

In the final outcome of their respective analyses, Halevi maintains God's foreknowledge at the expense of absolute freedom, or rather he does not see that his admissions are fatal to the cause he endeavors to defend. Ibn Daud maintains absolute freedom and frankly sacrifices foreknowledge; though his defence of freedom is secured by blinding himself to the argument most dangerous to that doctrine.

Abraham Ibn Daud concludes his "Emunah Ramah" by a discussion of ethics and the application of the principles thus discovered to the laws of the Bible. He entitles this final division of his treatise, "Medicine of the Soul," on the ground that virtue is the health of the soul as vice is its disease. In his fundamental ethical distinctions, definitions and classifications he combines Plato's psychology and the virtues based thereon with the Aristotelian doctrine of the mean, which he also applies in detail. He omits wisdom as one of the Platonic virtues and, unlike Plato for whom justice consists in a harmony of the other three virtues and has no psychological seat peculiar to it, Ibn Daud makes justice the virtue of the rational soul.

The end of practical philosophy is, he says, happiness. This is attained, first, by good morals; second, by proper family life; and third, by means of correct social and political conduct.

The human soul consists of three principal faculties, vegetative, animal, rational. Corresponding to these the principal virtues and vices are also three. The vegetative power, whose functions are nourishment, growth and reproduction, is related to appetite, and is called the appetitive soul. The animal power as being the cause of sensation, voluntary motion, cruelty, revenge, mercy and kindness, is called the spirited soul, because these qualities are dependent upon the energy or weakness of the spirit. The rational power has two aspects. One is directed upwards and is the means of our learning the sciences and the arts. The other aspect is directed downwards, and endeavors to control (successfully or not as the case may be), the two lower powers of the soul, guarding them against excess and defect. This function we call conduct, and virtue is the mean between the two extremes of too much and too little. The mean of the appetitive power is temperance; of the spirited power, bravery and gentleness; of the rational soul, justice.[245]

Justice consists in giving everything its due without excess or defect. Justice is therefore the highest of all qualities, and is of value not merely in a person's relations to his family and country, but also in the relations of his powers one to another. The rational power must see to it that the two lower faculties of the soul get what is their due, no more and no less. This quality has an important application also in the relations of a man to his maker. It is just that a person should requite his benefactor as much as he received from him, if possible. If he cannot do this, he should at least thank him. Hence the reason for divine worship, the first of commandments. This quality, the greatest of men possessed in the highest degree. Moses "said to him that did the wrong, wherefore smitest thou thy fellow?" (Ex. 2, 13). And when the shepherds came and drove away the daughters of the priest of Midian, "Moses stood up and helped them, and watered their flock" (_ib._ 17). This is the reason why God sent him to deliver Israel.

God showed the care he had of his nation by revealing himself to them, and thus showing them the error of those who think that God gave over the rule of this world to the stars, and that he and the angels have no further interest in it. Hence the first commandment is "I am the Lord thy God," which is followed by "You shall have no other gods," "Thou shalt not take the name of the Lord thy God in vain" (Ex. 20, 2ff.). "Remember the Sabbath day" is for the purpose of condemning the belief in the eternity of the world, as is evident from the conclusion, "For in six days the Lord made heaven and earth, the sea, and all that in them is...." (_ib._ 11). "Honor thy father and thy mother" (_ib._ 12) is intended to inculcate the duty of honoring the cause of one's being, including God. Thus the first five commandments all aim to teach the revelation and Providence of God. The rest deal with social and political conduct, especially the last one, "Thou shalt not covet," which is important in the preservation of society.

The commandment to love God involves the knowledge of God, for one cannot love what one does not know. A man must know therefore God's attributes and actions. He must be convinced likewise that no evil comes from God, or he cannot love him as he should. He may fear him but not with the proper fear. For there are two kinds of fear, and the one that is commanded is fear of majesty and awe, not fear of punishment.

Divine service means not merely prayer three times a day, but constant thought of God. To develop and train this thought of God in us we are commanded to put on phylacteries and fringes, and to fasten the "mezuzah" to our door posts. For the same reason we celebrate the festivals of Passover, Tabernacles, Hanukkah and Purim, as a remembrance of God's benefits to our people. All these observances are ultimately based upon the duty of thanking our benefactor, which is part of justice, the highest of the virtues.

Among moral virtues we are also commanded to practice suppression of anger, and its inculcation is emphasized by making it a divine attribute, "The Lord, the Lord, a God full of compassion and gracious...." (Ex. 34, 6). Other virtues of the same kind are, not to repay evil for evil, not to be jealous, to practice humility like Moses, and so on. In fact all the virtues laid down by ethical philosophers are found better expressed in the Bible.

In respect to family virtues, we are bidden to care for and protect the members of our family, wife, children and slaves. Of social virtues we have love of our neighbor, honesty in dealing, just weights and measures, prohibition of interest and of taking a pledge from the poor, returning a find to the loser, and a host of other teachings.

There are, however, some of the traditional laws, the purpose of which is not known, especially the details of sacrifices and the like. In explanation of these we must say that the law consists of a rule of life composed of several parts. First is belief; second, moral qualities; third, family life; fourth, social and political life; fifth, the commandments above referred to, which we shall characterize as dictated by divine wisdom, though we do not understand them. Not all the parts of the Law are of the same order of value. The fundamental portion and the most important is that dealing with belief. Next in importance are the laws governing social and moral conduct, without which society is impossible. That is why all nations agree about these; and there is honesty even among thieves. The last class of commandments, whose purpose is not known, are the least in importance, as is clear also from statements in the Bible, such as, "I spake not unto your fathers, nor commanded them in the day that I brought them out of the land of Egypt, concerning burnt offerings or sacrifices...." (Jer. 7, 22). At the same time we cannot deny that there are some reasons for their observance. Thus sacrifice leads to repentance as a result of reflection, even if the person does not confess his sin, as he is bidden to do in certain cases.

In fact there is one aspect which gives this class of commandments even greater importance than the social duties. It is the principle of implicit obedience even when we do not see the value of the commandment. I do not mean that a man should not study science, particularly what concerns the knowledge of God. This is not to be recommended. But when a man is convinced that there is such a thing as genuine prophecy, showing God's providence, as we see in the case of Moses who delivered his nation, performed wonders for them and was always honored and believed--he should not balk at the acceptance of some laws given by such a divine man simply because he does not understand them. Abraham is a good example. For when God promised him that Isaac would become a great nation, and then commanded him to sacrifice his only child, he did not ask any questions and was ready to do God's behest. His example is meant to be followed by all. This is the purpose of these subtle commandments, which are made with wisdom. Through them we may see the difference between belief and unbelief.[246]

The above discussion is extremely typical of the rationalistic attitude of Ibn Daud and his school, which includes such men as Maimonides, Gersonides and others. Reason, theory, science, explanation--these are the important considerations in things philosophical, as well as things religious. Theory is more important than practice, and belief stands higher than mere conduct. No wonder that Maimonides was not satisfied until he elaborated a creed with a definite number of dogmas. Dogmas and faith in reason go together. It is the mystic who is impatient of prescribed generalities, for he is constantly refreshed by the living and ever flowing stream of individual experience. The rationalist has a fixed unchangeable Idea or reason or method, whose reality and value consists in its unity, permanence and immutability. In favor of this hypostatised reason, the rationalist Ibn Daud is ready to sacrifice so fundamental an institution as sacrifice in the face of the entire book of Leviticus, pretending that a single verse of Jeremiah entitles him to do so. But the Jew Ibn Daud in the end asserted himself, and he finds it necessary to admit that in a sense these non-rational laws may be of even greater importance than the rational; not, however, as a simple believer might say, because we must not search the wisdom of God, but for the reason that unreasoned obedience is itself a virtue.

In conclusion we remind the reader that Ibn Daud was the precursor of Maimonides, touching upon, and for the most part answering every question treated by his more famous successor. Ibn Daud was the first to adopt Aristotelianism for the purpose of welding it with Judaism. He showed the way to follow. Maimonides took his cue from Ibn Daud and succeeded in putting the latter in the shade. Historic justice demands that Ibn Daud be brought forward into the light and given the credit which is deservedly his due.