The law was given as a teacher to show us that we could not become righteous through the observance of the law. Total forgiveness required perfection in every point of the law. That was and is impossible for humans. Sin required a perfect sacrifice Who would shed His blood for our sins. God had the perfect plan and the perfect Man, Jesus. On the Cross, He took on our sins and through his shed blood gave us His righteousness. Now, when God looks at us, all He sees is the righteousness of Jesus Christ. Jesus fulfilled the law to perfection and willingly laid down His life for us. To teach anything but Jesus Christ and Him crucified is not sound doctrine. The Gospel of God is simple: Believe on Jesus and receive eternal life. Don’t add anything to God’s simple plan. We are saved by grace though faith. Our good works here on earth are to lay up rewards in heaven, they cannot earn us salvation.