1 Samuel 20:11-13

Jonathan said to David, “Come, let us go out into the field [to talk].” So they went out to the field. Then Jonathan said to David, “The LORD, the God of Israel, is my witness! When I have sounded out my father about this time tomorrow, or the third day, behold, if he has a good feeling toward you, shall I not then send word to you and make it known to you? But if it pleases my father to do you harm, may the LORD do so to Jonathan, and more if I do not let you know about it and send you away, so that you may go in safety. And may the LORD be with you as He has been with my father.