The greatest Gospel verse in the Bible: 2 Corinthians 5:21, ‘He made Him, who knew no sin, sin for us, that we might be made the righteousness of God in Him.’
Let me unpack those fifteen Greek words. He—God—made Jesus sin. What do you mean He made Jesus sin? Only in one sentence: He treated Him as if He had committed every sin ever committed by every person who would ever believe, though in fact He committed none of them.
Hanging on the cross, He was holy, harmless, undefiled.
Hanging on the cross, He was a spotless lamb.
He was never for a split second a sinner. He is Holy God on the cross; but God is treating Him, I’ll put it more practically, as if He lived my life. God punished Jesus for my sin, turns right around and treats me as if I lived His life.
… That is the heart of the Gospel. And what you get is complete forgiveness, covered by the righteousness of Jesus Christ. When He looks at the cross, He sees you. When He looks at you, He sees Christ.