John 1:36

And he looked at Jesus as he walked, and said, "Behold, the Lamb of God!"

John 1:29

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

Hebrews 12:2

fixing our eyes on Jesus, the author and perfecter of our faith, who for the joy that was set before him endured the cross, despising the shame, and sat down at the right hand of the throne of God.

1 Peter 1:19-20

but with the precious blood of Christ, like that of a lamb without blemish or spot.

Treasury of Scripture Knowledge

Summary

And looking upon Jesus as he walked, he saith, Behold the Lamb of God!

Bible References

Behold

John 1:29
The next day John saw Jesus coming toward him, and said, "Behold, the Lamb of God, who takes away the sin of the world!
Hebrews 12:2
fixing our eyes on Jesus, the author and perfecter of our faith, who for the joy that was set before him endured the cross, despising the shame, and sat down at the right hand of the throne of God.
1 Peter 1:19
but with the precious blood of Christ, like that of a lamb without blemish or spot.