John 8:17

Moreover, it is written in your law, that the witness of two men is true.

but if he do not listen, take with thee 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, ye are gods"?

But this cometh to pass, that the word may be fulfilled that is written in their Law: "They hated me without a cause."

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

So then the Law hath been our schoolmaster, to lead us to Christ, that we might be accepted as righteous through faith;

Tell me, ye that desire to be under the Law, do ye not hear the Law?

He that hath set at nought the law of Moses dieth without mercy under two or three witnesses;

If we receive the witness of men, the witness of God is greater; for this is the witness of God, that he hath borne witness concerning his Son.

And I will give power to my two witnesses, and they shall prophesy a thousand two hundred and sixty days, clothed in sackcloth.

Treasury of Scripture Knowledge

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