I Samuel 21:10, 13
I Samuel 21:10 NKJV
Then David arose and fled that day from before Saul, and went to Achish the king of Gath.
I Samuel 21:13 NKJV
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.