Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
3:9dabis ergo servo tuo cor docile ut iudicare possit populum tuum et discernere inter malum et bonum quis enim potest iudicare populum istum populum tuum hunc multum
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.