1 Samuel 24:22 in the World English Bible
David swore to Saul. Saul went home, but David and his men went up to the stronghold.
Context
21 Swear now therefore unto me by the LORD, that thou wilt not cut off my seed after me, and that thou wilt not destroy my name out of my father’s house.
22 And David sware unto Saul. And Saul went home; but David and his men gat them up unto the hold.