John 1:36

and looking upon Jesus as He was walking, he saith, "Behold the lamb of God."

John 1:29

The next day John seeth Jesus coming towards him, and saith, Behold the Lamb of God that taketh away the sin of the world.

Hebrews 12:2

looking unto Jesus the leader and finisher of our faith; who for the joy that was set before Him endured the cross, despising the shame, and is set down at the right hand of the throne of God.

1 Peter 1:19-20

but with the precious blood of Christ as of a lamb without blemish and without 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 seeth Jesus coming towards him, and saith, Behold the Lamb of God that taketh away the sin of the world.
Hebrews 12:2
looking unto Jesus the leader and finisher of our faith; who for the joy that was set before Him endured the cross, despising the shame, and is set down at the right hand of the throne of God.
1 Peter 1:19
but with the precious blood of Christ as of a lamb without blemish and without spot: