וַיִּגַּ֤שׁ הַנָּבִיא֙ אֶל־מֶ֣לֶךְ יִשְׂרָאֵ֔ל וַיֹּ֤אמֶר לוֹ֙ לֵ֣ךְ הִתְחַזַּ֔ק וְדַ֥ע וּרְאֵ֖ה אֵ֣ת אֲשֶֽׁר־תַּעֲשֶׂ֑ה כִּ֚י לִתְשׁוּבַ֣ת הַשָּׁנָ֔ה מֶ֥לֶךְ אֲרָ֖ם עֹלֶ֥ה עָלֶֽיךָ׃ (ס)
And the prophet came near to the king of Israel, and said unto him: ‘Go, strengthen thyself, and mark, and see what thou doest; for at the return of the year the king of Aram will come up against thee.’
Read midrashic interpretation of I Kings 20:22: and classical rabbinic exegesis.