John 1:36

and looking at Jesus [as he] was walking by, he said, "Look! The Lamb of God!"

John 1:29

On the next day he saw Jesus coming to him and said, "Look! The Lamb of God who takes away the sin of the world!

Isaiah 45:22

Turn to me and be saved, all [the] ends of [the] earth, for I [am] God and there is none besides [me].

Isaiah 65:1-2

"I let myself be sought by [those who] did not ask; I let myself be found by [those who] did not seek me. I said, 'Here I am; here I am!' to a nation [that] did not call on my name;

Hebrews 12:2

fixing our eyes on Jesus, the originator and perfecter of faith, who for the joy that was set before him endured the cross, disregarding the shame, and has 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] an unblemished and spotless lamb

Treasury of Scripture Knowledge

Summary

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

General references

Bible References

Behold

John 1:29
On the next day he saw Jesus coming to him and said, "Look! The Lamb of God who takes away the sin of the world!
Isaiah 45:22
Turn to me and be saved, all [the] ends of [the] earth, for I [am] God and there is none besides [me].
Isaiah 65:1
"I let myself be sought by [those who] did not ask; I let myself be found by [those who] did not seek me. I said, 'Here I am; here I am!' to a nation [that] did not call on my name;
Hebrews 12:2
fixing our eyes on Jesus, the originator and perfecter of faith, who for the joy that was set before him endured the cross, disregarding the shame, and has 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] an unblemished and spotless lamb

General references

Genesis 22:8
And Abraham said, "{God will provide} the lamb for a burnt offering, my son." And the two of them went together.