John 1:29

29 The next day John saw Jesus coming toward him, and said, "Behold! The Lamb of God who takes away the sin of the world!

Rom. 5:12

12 Therefore, just as through one man sin entered the world, and death through sin, and thus death spread to all men, because all sinned--

2 Cor. 5:19

19 that is, that God was in Christ reconciling the world to Himself, not imputing their trespasses to them, and has committed to us the word of reconciliation.