So he changed his behavior before them, pretended madness in their hands, scratched on the doors of the gate, and let his saliva fall down on his beard.
1 Samuel 21:13
Surrounding context
21:12 Now David took these words to heart, and was very much afraid of Achish the king of Gath.
21:13 So he changed his behavior before them, pretended madness in their hands, scratched on the doors of the gate, and let his saliva fall down on his beard.
21:14 Then Achish said to his servants, "Look, you see the man is insane. Why have you brought him to me?