Micah 7:5
Trust not in a friend, put not confidence in a companion: keep the doors of your mouth from her that lies in your bosom.
Jeremiah 9:4
Take you heed everyone of his neighbor, and trust you not in any brother: for every brother will utterly supplant, and every neighbor will walk with slanders.
Judges 16:5-20
And the lords of the Philistines came up unto her, and said unto her, Entice him, and see where his great strength lies, and by what means we may prevail against him, that we may bind him to afflict him: and we will all give you eleven hundred pieces of silver.
Job 6:14-15
To him that is afflicted pity should be shown from his friend; even though he forsakes the fear of the Almighty.
Psalm 118:8-9
It is better to trust in the LORD than to put confidence in man.
Matthew 10:16
Behold, I send you forth as sheep in the midst of wolves: be therefore wise as serpents, and harmless as doves.