John 1:29
The next day John saw Jesus coming towards him and exclaimed, "Look, that is the Lamb of God who is to take away the sin of the world!
Hebrews 7:27
who, unlike other High Priests, is not under the necessity of offering up sacrifices day after day, first for His own sins, and afterwards for those of the people; for this latter thing He did once for all when He offered up Himself.
1 Peter 1:19
but with the precious blood of Christ--as of an unblemished and spotless lamb.
Revelation 5:9-12
And now they sing a new song. "It is fitting," they say, "that Thou shouldst be the One to take the book And break its seals; Because Thou hast been offered in sacrifice, And hast purchased for God with Thine own blood Some out of every tribe and language and people and nation,