Naked Bible 470: 1 Samuel 21
With Dr. Ronn Johnson David fled from Saul, who was seeking to kill him. He went to the city of Nob, where he lied to the priest Ahimelech, saying that he was on a mission from Saul. Ahimelech gave David food and the sword of Goliath. David then went to Gath, where he pretended to be insane in order to avoid being recognized by King Achish. David's deception of Ahimelech was a sin, but his feigned insanity saved his life.