Deuteronomy 13:14
Then let a full search be made, and let questions be put with care; and if it is true and certain that such a disgusting thing has been done among you;
Deuteronomy 17:4
If word of this comes to your ears, then let this thing be looked into with care, and if there is no doubt that it is true, and such evil has been done in Israel;
Numbers 35:30
Anyone causing the death of another is himself to be put to death on the word of witnesses: but the word of one witness is not enough.
Deuteronomy 10:18
Judging uprightly in the cause of the widow and of the child who has no father, and giving food and clothing in his mercy to the man from a strange country.
Isaiah 11:3-4
And he will not be guided in his judging by what he sees, or give decisions by the hearing of his ears:
John 7:24
Let not your decisions be based on what you see, but on righteousness.
1 Timothy 5:19
Do not take as true any statement made against one in authority, but only if two or three give witness to it.