1 Samuel (Author Compiled by Isaiah from records of Samuel, David, Nathan, and Gad.)
20:12And Jonathan said to David, Jehovah, God of Israel, when I sound my father about this time to-morrow, or the next day, and behold, there be good toward David, and I then send not to thee, and apprise thee of it,
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.