But we object and say, that the faithful, after having been regenerated by the Spirit of God, do not fulfill the law: they allow this to be true, but say that they might if they would, for that God has commanded nothing which is above what men are capable of doing. And this also is a most pernicious error. They are at the same time forced to confess, that experience itself teaches us that no man is wholly free from sin: then some guilt always remains. But they say, that if we kept half the law, we could obtain righteousness by that half. Hence, if one by adultery offended God and thus becomes exposed to eternal death, and yet abstains from theft, he is just, they say, because he is no thief. He is an adulterer, it is true; but he is yet just in part, because he keeps a part of the law; and they call this partial righteousness. But God has not promised salvation to men, except they fully and really fulfill whatever he has commanded in his law. For it is not said, “He that fulfill a part of the law shall live;” but he who shall do these things shall live in them. Moses does not point out two or three commandments, but includes the whole law (Leviticus 18:5.) There is also a declaration made by James,