Matthew 18:16

But if he does not hear you, take with you one or two more, that by the mouth of two or three witnesses every word may be established;

John 8:17

And it is written also in your law, that the testimony of two men is true;

2 Corinthians 13:1

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

1 Timothy 5:19

Against an elder receive not an accusation, except by two or three witnesses.

Hebrews 10:28

Any one who despised the law of Moses died without mercy by two or three witnesses;

Hebrews 10:28

Any one who despised the law of Moses died without mercy by two or three witnesses;

Hebrews 10:28

Any one who despised the law of Moses died without mercy by two or three witnesses;

Hebrews 10:28

Any one who despised the law of Moses died without mercy by two or three witnesses;

1 John 5:7-8

For there are three that testify; the Spirit, and the water, and the blood; and the three are one.

Revelation 11:3

And I will give charge to my two witnesses, and they shall prophesy twelve hundred and sixty days [three years and a half] clothed with sackcloth.

Treasury of Scripture Knowledge

Summary

But if he will not hear thee, then take with thee one or two more, that in the mouth of two or three witnesses every word may be established.

Bible References

That in

John 8:17
And it is written also in your law, that the testimony of two men is true;
2 Corinthians 13:1
This third time I am coming to you; by the mouth of two or three witnesses shall every word be established.
1 Timothy 5:19
Against an elder receive not an accusation, except by two or three witnesses.
Hebrews 10:28
Any one who despised the law of Moses died without mercy by two or three witnesses;
1 John 5:7
For there are three that testify; the Spirit, and the water, and the blood; and the three are one.
Revelation 11:3
And I will give charge to my two witnesses, and they shall prophesy twelve hundred and sixty days [three years and a half] clothed with sackcloth.