And the prophet came to the king of Israel and said to him, "Go, strengthen yourself; take note, and see what you should do, for in the spring of the year the king of Syria will come up against you."
1 Kings 20:22
Surrounding context
20:21 Then the king of Israel went out and attacked the horses and chariots, and killed the Syrians with a great slaughter.
20:22 And the prophet came to the king of Israel and said to him, "Go, strengthen yourself; take note, and see what you should do, for in the spring of the year the king of Syria will come up against you."
20:23 Then the servants of the king of Syria said to him, "Their gods are gods of the hills. Therefore they were stronger than we; but if we fight against them in the plain, surely we will be stronger than they.