1 Samuel 21:13
He altered his behavior in their presence. Since he was in their power, he pretended to be insane, making marks on the doors of the gate and letting his saliva run down his beard.
Psalm 34:1-22
Written by David, when he pretended to be insane before Abimelech, causing the king to send him away. I will praise the Lord at all times; my mouth will continually praise him.
Proverbs 29:25
The fear of people becomes a snare, but whoever trusts in the Lord will be set on high.
Ecclesiastes 7:7
Surely oppression can turn a wise person into a fool; likewise, a bribe corrupts the heart.