John 8:17

In your own law it is written that the testimony of two men is true.

But if he will not listen, take one or two others along with you, so that 'every matter may be established by the word of two or three witnesses.'

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

But this is to fulfill the word that is written in their law, 'They hated me without a cause.'

This is the third time I am coming to you. Every charge must be established by the evidence of two or three witnesses.

So the law was our tutor to lead us to Christ, that we might be justified by faith.

Tell me, you who want to be under law, do you not listen to the law?

Anyone who has rejected the law of Moses dies without mercy on the testimony of two or three witnesses.

If we receive the testimony of men, the testimony of God is greater; for this is the testimony of God which he has borne witness of his Son.

And I will grant power to my two witnesses, and they will prophesy for twelve 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.