And the servants of Achish said unto him, Is not this David the king of the land? did they not sing one to another of him in dances, saying, Saul hath slain his thousands, and David his ten thousands?(1 Samuel 21:11)

And David laid up these words in his heart, and was sore afraid of Achish the king of Gath.(1 Samuel 21:12)

And he changed his behavior 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.(1 Samuel 21:13)

Have I need of mad men, that ye have brought this fellow to play the mad man in my presence? shall this fellow come into my house?(1 Samuel 21:15)

David therefore departed thence, and escaped to the cave Adullam: and when his brethren and all his father's house heard it, they went down thither to him.(1 Samuel 22:1)

And every one that was in distress, and every one that was in debt, and every one that was discontented, gathered themselves unto him; and he became a captain over them: and there were with him about four hundred men.(1 Samuel 22:2)