The reason Jesus had to die for our sins was so that we could be forgiven and go to be with the Lord. Jesus is God in flesh (John 1:1, 14, Col. 2:9), and only God can satisfy the Law requirements of a perfect life and perfect sacrifice that cleanses us of our sins. 2 Cor. 5:21, He made Him who knew no sin to be sin on our behalf, that we might become the righteousness of God in Him.. 2  1 Peter 2:24, and He Himself bore our sins in His body on the cross, that we might die to sin and live to righteousness; for by His wounds you were healed.. 3  Rom.