By this it follows that holiness does not consist in those things which men have devised, neither in a vain profession of the gospel. (d) This must be understood of such a knowledge as has faith with it, and not of a common knowledge. (e) For the tree is known by the fruit. 2:4 3 He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him. (3) Holiness, that