2 Chronicles 7:13-15

If I shut up heaven that there be no rain, or if I command the locusts to devour the land, or if I send pestilence among my people; if my people, which are called by my name, shall humble themselves, and pray, and seek my face, and turn from their wicked ways; then will I hear from heaven, and will forgive their sin, and will heal their land. Now mine eyes shall be open, and mine ears attent unto the prayer that is made in this place.