Malachi 4:6 in the King James Version
And he shall turn the heart of the fathers to the children, and the heart of the children to their fathers, lest I come and smite the earth with a curse.
Context
5 Behold, I will send you Elijah the prophet before the great and terrible day of the LORD comes.
6 He will turn the hearts of the fathers to the children and the hearts of the children to their fathers, lest I come and strike the earth with a curse.”