2 Kings 8:19

8:19 However Yahweh would not destroy Judah, for David his servant's sake, as he promised him to give to him a lamp for his children always.
-World English Bible

Other Translation

8:19 Yet the LORD would not destroy Judah for David his servant's sake, as he promised him to give him alway a light, [and] to his children.
-King James Version