2 Kings 8:19

Yet for the sake of His servant David, the Lord was unwilling to destroy Judah, since He had promised to maintain a lamp for David and his descendants forever.
BSB · Berean Standard Bible
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.

Note light: Heb. candle, or, lamp

KJV · King James Version
However, the Lord would not destroy Judah, for David his servant’s sake, as he promised him to give to him a lamp for his children always.
WEB · World English Bible
Howbeit Jehovah would not destroy Judah, for David his servant’s sake, as he promised him to give unto him a lamp for his children alway.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

for David
2 Kings 19:34; 2 Samuel 7:12, 13, 15; 1 Kings 11:36; 1 Kings 15:4, 5; 2 Chronicles 21:7; Isaiah 7:14; Isaiah 37:35; Jeremiah 33:25, 26; Hosea 11:9; Luke 1:32, 33
light
Heb. candle, or lamp.
1 Kings 11:36