John 1:36

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

John 1:29

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

Isaiah 45:22

"Look to me, and be saved, all the ends of the earth; for I am God, and there is no other.

Isaiah 65:1-2

"I am inquired of by those who didn't ask; I am found by those who didn't seek me: I said, See me, see me, to a nation that was not called by my name.

Hebrews 12:2

looking to Jesus, the author and perfecter of faith, who for the joy that was set before him endured the cross, despising its shame, and has sat down at the right hand of the throne of God.

1 Peter 1:19-20

but with precious blood, as of a faultless and pure lamb, the blood of Christ;

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
The next day, he saw Jesus coming to him, and said, "Behold, the Lamb of God, who takes away the sin of the world!
Isaiah 45:22
"Look to me, and be saved, all the ends of the earth; for I am God, and there is no other.
Isaiah 65:1
"I am inquired of by those who didn't ask; I am found by those who didn't seek me: I said, See me, see me, to a nation that was not called by my name.
Hebrews 12:2
looking to Jesus, the author and perfecter of faith, who for the joy that was set before him endured the cross, despising its shame, and has sat down at the right hand of the throne of God.
1 Peter 1:19
but with precious blood, as of a faultless and pure lamb, the blood of Christ;

General references

Genesis 22:8
Abraham said, "God will provide himself the lamb for a burnt offering, my son." So they both went together.