John 8:17

In your Law it is written that the testimony of two people is true.

Deuteronomy 17:6

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

Matthew 18:16

But if he does not listen, take one or two others along with you, that every charge may be established by the evidence of two or three witnesses.

Deuteronomy 19:15

"A single witness shall not suffice against a person for any crime or for any wrong in connection with any offense that he has committed. Only on the evidence of two witnesses or of three witnesses shall a charge be established.

1 Kings 21:10

And set two worthless men opposite him, and let them bring a charge against him, saying, 'You have cursed God and the king.' Then take him out and stone him to death."

John 10:34

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

John 15:25

But the word that is written in their Law must be fulfilled: 'They hated me without a cause.'

2 Corinthians 13:1

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

Galatians 3:24

So then, the law was our guardian until Christ came, in order that we might be justified by faith.

Galatians 4:21

Tell me, you who desire to be under the 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 evidence of two or three witnesses.

1 John 5:9

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

Revelation 11:3

And I will grant authority to my two witnesses, and they will prophesy for 1,260 days, clothed in sackcloth."

Treasury of Scripture Knowledge

Bible References

Also

John 10:34
Jesus answered them, "Is it not written in your Law, 'I said, you are gods'?
John 15:25
But the word that is written in their Law must be fulfilled: 'They hated me without a cause.'
Galatians 3:24
So then, the law was our guardian until Christ came, in order that we might be justified by faith.
Galatians 4:21
Tell me, you who desire to be under the law, do you not listen to the law?

That

Deuteronomy 17:6
On the evidence of two witnesses or of three witnesses the one who is to die shall be put to death; a person shall not be put to death on the evidence of one witness.
Deuteronomy 19:15
"A single witness shall not suffice against a person for any crime or for any wrong in connection with any offense that he has committed. Only on the evidence of two witnesses or of three witnesses shall a charge be established.
1 Kings 21:10
And set two worthless men opposite him, and let them bring a charge against him, saying, 'You have cursed God and the king.' Then take him out and stone him to death."
Matthew 18:16
But if he does not listen, take one or two others along with you, that every charge may be established by the evidence of two or three witnesses.
2 Corinthians 13:1
This is the third time I am coming to you. Every charge must be established by the evidence of two or three witnesses.
Hebrews 10:28
Anyone who has set aside the law of Moses dies without mercy on the evidence of two or three witnesses.
1 John 5:9
If we receive the testimony of men, the testimony of God is greater, for this is the testimony of God that he has borne concerning his Son.
Revelation 11:3
And I will grant authority to my two witnesses, and they will prophesy for 1,260 days, clothed in sackcloth."

General references

Numbers 35:30
"If anyone kills a person, the murderer shall be put to death on 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 of three witnesses the one who is to die shall be put to death; a person shall not be put to death on the evidence of one witness.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.