Was not Abraham our father justified by works when he offered up Isaac his son on the altar? You see that faith was working with his works, and as a result of the works, faith was perfected; and the Scripture was fulfilled which says, “And Abraham believed God, and it was reckoned to him as righteousness,” and he was called the friend of God. You see that a man is justified by works and not by faith alone. (2:21–24) As noted in the Introduction, the first phrase of verse 21 was a severe stumbling block to Martin Luther. He...
