Second Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
1:10da mihi sapientiam et intellegentiam ut egrediar coram populo tuo et ingrediar quis enim potest hunc populum tuum digne qui tam grandis est iudicare
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.