John 8:17

It's also written in your law that the testimony of two people is valid.

Deuteronomy 17:6

At the mouth of two witnesses, or three witnesses, shall he who is to die be put to death; at the mouth of one witness he shall not be put to death.

Matthew 18:16

But if he doesn't listen, take one or two more with you, that at the mouth of two or three witnesses every word may be established.

Deuteronomy 19:15

One witness shall not rise up against a man for any iniquity, or for any sin, in any sin that he sins: at the mouth of two witnesses, or at the mouth of three witnesses, shall a matter be established.

1 Kings 21:10

Set two men, base fellows, before him, and let them testify against him, saying, 'You cursed God and the king!' Then carry him out, and stone him to death."

John 10:34

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

John 15:25

But this happened so that the word may be fulfilled which was written in their law, 'They hated me without a cause.'

2 Corinthians 13:1

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

Galatians 3:24

So that the law has become our tutor to bring us to Christ, that we might be justified by faith.

Galatians 4:21

Tell me, you that desire to be under the law, don't you listen to the law?

Hebrews 10:28

A man who disregards Moses' law dies without compassion on the word of two or three witnesses.

1 John 5:9

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

Revelation 11:3

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

Treasury of Scripture Knowledge

Bible References

Also

John 10:34
Jesus answered them, "Isn't it written in your law, 'I said, you are gods?'
John 15:25
But this happened so that the word may be fulfilled which was written in their law, 'They hated me without a cause.'
Galatians 3:24
So that the law has become our tutor to bring us to Christ, that we might be justified by faith.
Galatians 4:21
Tell me, you that desire to be under the law, don't you listen to the law?

That

Deuteronomy 17:6
At the mouth of two witnesses, or three witnesses, shall he who is to die be put to death; at the mouth of one witness he shall not be put to death.
Deuteronomy 19:15
One witness shall not rise up against a man for any iniquity, or for any sin, in any sin that he sins: at the mouth of two witnesses, or at the mouth of three witnesses, shall a matter be established.
1 Kings 21:10
Set two men, base fellows, before him, and let them testify against him, saying, 'You cursed God and the king!' Then carry him out, and stone him to death."
Matthew 18:16
But if he doesn't listen, take one or two more with you, that at the mouth of two or three witnesses every word may be established.
2 Corinthians 13:1
This is the third time I am coming to you. "At the mouth of two or three witnesses shall every word be established."
Hebrews 10:28
A man who disregards Moses' law dies without compassion on the word of two or three witnesses.
1 John 5:9
If we receive the witness of men, the witness of God is greater; for this is God's testimony which he has testified concerning his Son.
Revelation 11:3
I will give power to my two witnesses, and they will prophesy one thousand two hundred sixty days, clothed in sackcloth."

General references

Numbers 35:30
"'Whoever kills any person, the murderer shall be slain at the mouth of witnesses: but one witness shall not testify against any person that he die.
Deuteronomy 17:6
At the mouth of two witnesses, or three witnesses, shall he who is to die be put to death; at the mouth of one witness he shall not be put to death.