XIV. Of Works of Supererogation.

Voluntary Works besides, over, and above, God’s Commandments, which they call Works of Supererogation, cannot be taught without arrogancy and impiety: for by them men do declare, that they do not only render unto God as much as they are bound to do, but that they do more for his sake, than of bounden duty is required: whereas Christ saith plainly, When ye have done all that are commanded to you, say, We are unprofitable servants.