1 Samuel 19:10-12

10And Saul sought to smite David even to the wall with the spear; but he slipped away out of Saul’s presence, and he smote the spear into the wall: and David fled, and escaped that night.

11And Saul sent messengers unto David’s house, to watch him, and to slay him in the morning: and Michal David’s wife told him, saying, If thou save not thy life to-night, tomorrow thou shalt be slain.

12So Michal let David down through the window: and he went, and fled, and escaped;