Question: why did Jesus need to offer His life as a sacrifice if, as it seems from the Old Testament, God doesn't want sacrifices and already forgives those who are repentant and do His commands? Response: Abraham was counted righteous first because he had faith in God and then proved it by his obedience (Genesis 15:6, Hebrews 11:17-18; see Romans 4:3, Galatians 3:6, James 2:14-26). In the Bible, genuine faith is always accompanied by doing God’s commands, though the works themselves are not what saves — it is God who forgives and saves. Merely repenting and doing God’s commands is worthless unless it is accompanied by faith in God (Exodus 14:31, Numbers 14:11, Deut. 9:23, 2 Chron. 20:20, Psalm 78:22-32, John 3:16-21, John 14:11, Romans 4:11, Hebrews 11:6 — this will be important later). The sacrificial system was meant 1. to be a way to show one’s faith in God (Genesis 4:3-4, Genesis 8:20-21, Genesis 22:13, Genesis 46:1, 2 Samuel 24:24, Psalm 51:17-19) 2. to remembe...