2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
7:14and my people, who are called by my name, humble themselves, and pray, and seek my face, and turn from their wicked ways; then will I hear from the heavens, and forgive their sin, and heal their land.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.