Kings III 22:5

5 And Josaphat said, As I , so thou also; as my people, thy people; as my horses, thy horses. And Josaphat king of Juda said to the king of Israel, Enquire, I pray thee, of the Lord to-day.

Kings III 22:5 In-Context

3 And the king of Israel said to his servants, Know ye that Remmath Galaad ours, and we are slow to take it out of the hand of the king of Syria?
4 And the king of Israel said to Josaphat, Wilt thou go up with us to Remmath Galaad to battle?
5 And Josaphat said, As I , so thou also; as my people, thy people; as my horses, thy horses. And Josaphat king of Juda said to the king of Israel, Enquire, I pray thee, of the Lord to-day.
6 And the king of Israel gathered all the prophets together, about four hundred men; and the king said to them, Shall I go up to Remmath Galaad to battle, or shall I forbear? and they said, Go up, and the Lord will surely give into the hands of the king.
7 And Josaphat said to the king of Israel, Is there not here a prophet of the Lord, that we may enquire of the Lord by him?

The Brenton translation of the Septuagint is in the public domain.