Matthew 18:16

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.'

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.

1 Timothy 5:19

Do not receive an accusation against an elder except on the basis of two or three witnesses.

Hebrews 10:28

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

John 8:17-18

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

Treasury of Scripture Knowledge

Summary

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

Bible References

General references

Matthew 18:16
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.'
John 8:17
In your own law it is written that the testimony of two men is true.
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.
1 Timothy 5:19
Do not receive an accusation against an elder except on the basis of two or three witnesses.
Hebrews 10:28
Anyone who has rejected the law of Moses dies without mercy on the testimony of two or three witnesses.