Kabbalah su II Re 20:78

Come and behold, For the sake of the righteous, the Holy One, blessed be He, did not impose punishment that had been decreed on the world, so it will not have sway over the world. All the days of King David, the land was established for his sake. After he died, it continued because of his merit, as it is written, "And I will defend this city for my own sake, and for my servant David's sake" (II Kings 20:6). Similarly, no punishment was inflicted on the world during all the days of Jacob and all the days of Joseph, the famine ceased for their sake and the enslaving by Egypt was delayed.