2 Chronicles 15:12 KJV
And they entered into a covenant to seek the Lord God of their fathers with all their heart and with all their soul;
2 Chronicles 15:12, King James Version
In context
11 And they offered unto the Lord the same time, of the spoil which they had brought, seven hundred oxen and seven thousand sheep.
12 And they entered into a covenant to seek the Lord God of their fathers with all their heart and with all their soul;
13 That whosoever would not seek the Lord God of Israel should be put to death, whether small or great, whether man or woman.