Jacob’s writings provide us with an important insight into the law of Moses and the Old Testament. In Jacob 4:5 we learn that the Old Testament prophets prior to Jacob’s time knew of both Christ and the Father as distinct individuals and appropriately worshipped the Father in Christ’s name. Jacob’s words indicate that the law of Moses was far more than simply a law of strict commandments and legal codes, as some modern scholars claim. The law of Moses testified of Jesus Christ and led the righteous to sanctification through the Atonement of Jesus Christ.