John 1:36

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

John 1:29

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

Hebrews 12:2

earnestly looking up to Jesus the author and the finisher of faith; who, for the joy set before him, endured the cross, despising shame, and hath sat down at the right hand of the throne of God.

1 Peter 1:19-20

but by the precious blood of Christ, as the unblemished and spotless lamb:

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 to him, and saith, Behold the Lamb of God, who taketh away the sin of the world,
Hebrews 12:2
earnestly looking up to Jesus the author and the finisher of faith; who, for the joy set before him, endured the cross, despising shame, and hath sat down at the right hand of the throne of God.
1 Peter 1:19
but by the precious blood of Christ, as the unblemished and spotless lamb: