John 8:17

And it is written also in your law, that the testimony of two men is true;

But if he does not hear you, take with you one or two more, that by the mouth of two or three witnesses every word may be established;

Jesus answered them, Is it not written in your law, I said you are gods?

But [they do this] that the word written in their law may be fulfilled, They hated me without cause.

This third time I am coming to you; by the mouth of two or three witnesses shall every word be established.

So that the law was our schoolmaster to lead to Christ, that we might be justified by faith;

Tell me, you that wish to be under the law, do you not hear the law?

Any one who despised the law of Moses died without mercy by two or three witnesses;

If we receive the testimony of men, the testimony of God is greater; for this is the testimony of God that he has testified concerning his Son.

And I will give charge to my two witnesses, and they shall prophesy twelve hundred and sixty days [three years and a half] clothed with sackcloth.

Treasury of Scripture Knowledge

It is also written in your law, that the testimony of two men is true.