Jeremiah 33:23

then may also my covenant be broken with David my servant, that he shall not have a son to reign on his throne; and with the Levites the priests, my ministers.

As the army of the sky can't be numbered, neither the sand of the sea measured; so will I multiply the seed of David my servant, and the Levites who minister to me.

Don't consider what this people has spoken, saying, The two families which Yahweh did choose, he has cast them off? thus do they despise my people, that they should be no more a nation before them.

Thus says Yahweh: If my covenant of day and night fails, if I have not appointed the ordinances of heaven and earth;