John 8:17

Even in your law it has been written that the testimony of two men is true.

Deuteronomy 17:6

On the evidence of two witnesses or three witnesses, he who is to die shall be put to death; he shall not be put to death on the evidence of one witness.

Matthew 18:16

But if he does not listen to you, take one or two more with you, so that by the mouth of two or three witnesses every fact may be confirmed.

Deuteronomy 19:15

A single witness shall not rise up against a man on account of any iniquity or any sin which he has committed; on the evidence of two or three witnesses a matter shall be confirmed.

1 Kings 21:10

and seat two worthless men before him, and let them testify against him, saying, ‘You cursed God and the king.’ Then take him out and stone him to death.”

John 10:34

Jesus answered them, “Has it not been written in your Law, ‘I said, you are gods’?

John 15:25

But they have done this to fulfill the word that is written in their Law, ‘They hated Me without a cause.’

2 Corinthians 13:1

This is the third time I am coming to you. Every fact is to be confirmed by the testimony of two or three witnesses.

Galatians 3:24

Therefore the Law has become our tutor to lead us to Christ, so that we may be justified by faith.

Galatians 4:21

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

Hebrews 10:28

Anyone who has set aside the Law of Moses dies without mercy on the testimony of two or three witnesses.

1 John 5:9

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

Revelation 11:3

And I will grant authority to my two witnesses, and they will prophesy for twelve hundred and sixty days, clothed in sackcloth.”

Treasury of Scripture Knowledge

Bible References

Also

John 10:34
Jesus answered them, “Has it not been written in your Law, ‘I said, you are gods’?
John 15:25
But they have done this to fulfill the word that is written in their Law, ‘They hated Me without a cause.’
Galatians 3:24
Therefore the Law has become our tutor to lead us to Christ, so that we may be justified by faith.
Galatians 4:21
Tell me, you who want to be under law, do you not listen to the law?

That

Deuteronomy 17:6
On the evidence of two witnesses or three witnesses, he who is to die shall be put to death; he shall not be put to death on the evidence of one witness.
Deuteronomy 19:15
A single witness shall not rise up against a man on account of any iniquity or any sin which he has committed; on the evidence of two or three witnesses a matter shall be confirmed.
1 Kings 21:10
and seat two worthless men before him, and let them testify against him, saying, ‘You cursed God and the king.’ Then take him out and stone him to death.”
Matthew 18:16
But if he does not listen to you, take one or two more with you, so that by the mouth of two or three witnesses every fact may be confirmed.
2 Corinthians 13:1
This is the third time I am coming to you. Every fact is to be confirmed by the testimony of two or three witnesses.
Hebrews 10:28
Anyone who has set aside the Law of Moses dies without mercy on the testimony of two or three witnesses.
1 John 5:9
If we receive the testimony of men, the testimony of God is greater; for the testimony of God is this, that He has testified concerning His Son.
Revelation 11:3
And I will grant authority to my two witnesses, and they will prophesy for twelve hundred and sixty days, clothed in sackcloth.”

General references

Numbers 35:30
If anyone kills a person, the murderer shall be put to death at the evidence of witnesses, but no person shall be put to death on the testimony of one witness.
Deuteronomy 17:6
On the evidence of two witnesses or three witnesses, he who is to die shall be put to death; he shall not be put to death on the evidence of one witness.