2 Samuel (Author Compiled by Isaiah from records of Samuel, David, Nathan, and Gad.)
15:21And Ittai answered the king, and said, As the LORD liveth, and as my lord the king liveth, surely in what place my lord the king shall be, whether in death or life, even there also will thy servant be.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.