Matthew 18:16
"But if he will not listen to you, take one or two others along, so that by the testimony of two or three witnesses every word may be established. If he will not listen to them, tell the church;
2 Corinthians 13:1
This will be my third visit to you. Out of the mouth of two or three witnesses shall every word be confirmed.
John 8:17
"And in your Law it is written that the testimony of two men is true.
1 Timothy 5:19
Do not receive an accusation against an elder, except on the testimony of two or three witnesses.
Hebrews 10:28
Any one who set at naught the law of Moses was put to death without pity, on the testimony of two or three witnesses.
Matthew 26:60-61
but they found none, although many false witnesses came forward.
Revelation 11:3-7
And I will give power to my two witnesses, and clothed in sackcloth they shall prophesy a thousand two hundred and threescore days.