1 Samuel 20:12 in the King James Version
And Jonathan said unto David, O LORD God of Israel, when I have sounded my father about to morrow any time, or the third day, and, behold, if there be good toward David, and I then send not unto thee, and shew it thee;
Context
11 Jonathan said to David, “Come! Let’s go out into the field.” They both went out into the field.
12 Jonathan said to David, “By the LORD, the God of Israel, when I have sounded out my father about this time tomorrow, or the third day, behold, if there is good toward David, won’t I then send to you and disclose it to you?
13 The LORD do so to Jonathan and more also, should it please my father to do you evil, if I don’t disclose it to you and send you away, that you may go in peace. May the LORD be with you as he has been with my father.