Chapter II

[1] Locke: _The Conduct of the Understanding_, Bohn's Library Edition, Vol. I, p. 72; also, _passim_.

[2] Locke: _Op. cit._, p. 56.

[3] Descartes: _Discourse on Method_, translated by Veitch, pp. 13-14. Also, _passim_.

[4] Spinoza: _The Improvement of the Understanding_, translated by Elwes, Vol. II, p. 4.

[5] _Cf._ Plato's _Republic_, Books V-VII, _passim_.

[6] For further discussion of the meaning of duty, _cf._ Kant's _Critical Examination of the Practical Reason_, Book I, Chapter III, translated in Abbott's _Kant's Theory of Ethics_, p. 164; Bradley's _Ethical Studies_, Essays II and V; and Sidgwick's _Methods of Ethics_, Book I, Chapter III.

[7] Chesterton: _Napoleon of Notting Hill_, p. 162.

[8] G. E. Moore: _Principia Ethica_, Chapter III, Sect. 58-63.

[9] Locke: _Op. cit._, p. 29.

[10] There is an excellent account of the questions that lie on the border between ethics and jurisprudence in S. E. Mezes's _Ethics, Descriptive and Explanatory_, Chapter XIII.

[11] Kant: _Fundamental Principles of the Metaphysic of Morals_, translated in Abbott's _Kant's Theory of Ethics_, p. 47.

[12] H. G. Lord: _The Abuse of Abstraction in Ethics_, in _Essays Philosophical and Psychological in Honor of William James_, pp. 376-377.

[13] John Davidson: _A Rosary_, pp. 77, 82.

[14] Maurice Maeterlinck: _The Measure of the Hours_, translated by A. T. de Mattos, p. 151. The essay in this volume, entitled "Our Anxious Morality," charges rationalism with destroying the romantic and mystical element in life.