Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
3:12ecce feci tibi secundum sermones tuos et dedi tibi cor sapiens et intellegens in tantum ut nullus ante te similis tui fuerit nec post te surrecturus sit
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.