Now we know that as many things as the law says, it speaks to those under the law, so that every mouth may be stopped, and all the world may be held accountable to God. (Rom 3:19)
Therefore by works of the law no flesh shall be justified in His sight, for through the law comes the knowledge of sin. (Rom 3:20)

Today we continue to look at Paul's lengthy OT quote, and we look at its source.