First Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
17:7nunc itaque sic loqueris ad servum meum David haec dicit Dominus exercituum ego tuli te cum in pascuis sequereris gregem ut esses dux populi mei Israhel
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.