1 Samuel 21:13

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

Psalm 34:1-22

[A Psalm of David when he pretended madness before Abimelech, who drove him away, and he departed.] I will bless the LORD at all times: his praise shall continually be in my mouth.

Proverbs 29:25

The fear of man brings a snare: but whosoever puts his trust in the LORD shall be safe.

Ecclesiastes 7:7

Surely oppression makes a wise man mad; and a bribe destroys 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
[A Psalm of David when he pretended madness before Abimelech, who drove him away, and he departed.] I will bless the LORD at all times: his praise shall continually be in my mouth.
Ecclesiastes 7:7
Surely oppression makes a wise man mad; and a bribe destroys the heart.