Second Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
6:21dixitque David ad Michol ante Dominum qui elegit me potius quam patrem tuum et quam omnem domum eius et praecepit mihi ut essem dux super populum Domini Israhel
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.