1 Samuel 21:13

And he will change his understanding in their eyes, and he will be foolish in their hand, and he will mark upon the doors of the gate, and his spittle will come down upon his beard.

Psalm 34:1-22

To David in his changing his understanding before A bimelech; and he will drive him out, and he will go. I will praise Jehovah in all time: always his praise in my mouth.

Proverbs 29:25

The fear of man will give a snare: and he trusting in Jehovah shall be exalted.

Ecclesiastes 7:7

For oppression will make foolish the wise one; and a gift will destroy the heart.

Treasury of Scripture Knowledge

Summary

And he changed his behaviour before them, and feigned himself mad in their hands, and scrabbled on the doors of the gate, and let his spittle fall down upon his beard.

Bible References

Changed

Psalm 34:1
To David in his changing his understanding before A bimelech; and he will drive him out, and he will go. I will praise Jehovah in all time: always his praise in my mouth.
Ecclesiastes 7:7
For oppression will make foolish the wise one; and a gift will destroy the heart.