Matthew 18:16
But, if he does not listen to you, take with you one or two others, so that 'on the evidence of two or three witnesses, every word may be put beyond dispute.'
John 8:17
Why, in your own Law it is said that the testimony of two persons is trustworthy.
2 Corinthians 13:1
For the third time I am coming to see you. 'By the word of two or three witnesses each statement shall be established.'
1 Timothy 5:19
Do not receive a charge against an Officer of the Church, unless it is supported by two or three witnesses;
Hebrews 10:28
When a man disregarded the Law of Moses, he was, on the evidence of two or three witnesses, put to death without pity.
1 John 5:7-8
It is a three-fold testimony--
Revelation 11:3
Then I will give permission to my Two Witnesses, and for those twelve hundred and sixty days they will continue teaching, clothed in sackcloth.'