וּבְבֹאָ֑הּ הִנֵּ֣ה בָאָ֔ה וְיָ֣דְע֔וּ כִּ֥י נָבִ֖יא הָיָ֥ה בְתוֹכָֽם׃ (ס)
그 말이 응하리니 응할 때에는 그들이 한 선지자가 자기 가운데 있었던 줄을 알리라
Rashi
behold it is coming for, indeed, it is ready to come; then they will know that your words were not a jest, but that a true prophet was in their midst.