John 1:36

And looking upon Jesus walking, he saith, Behold the Lamb of God.

John 1:29

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

Hebrews 12:2

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 he seeth Jesus coming toward him, and saith, Behold the Lamb of God, who taketh away the sin of the world.
Hebrews 12:2
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,