Chapter XXXI: Book I: Of the standard of all religion;--the law of nature in its

_foundation_ and _contents_,--the _insufficiency_ of the _light of nature_ to render a man truly virtuous and happy;--the _possibility_, _desireableness_, _necessity_, _propriety_, _reasonableness_, _credibility_, _divine authority_, _properties_ and _parts_ of that revelation which is contained in the scriptures of the old and new Testament.