Deuteronomy 8:3

8:3 So he humbled you by making you hungry and then feeding you with unfamiliar manna. He did this to teach you that humankind cannot live by bread alone, but also by everything that comes from the Lord’s mouth.

Deuteronomy 18:6

18:6 Suppose a Levite comes by his own free will from one of your villages, from any part of Israel where he is living, to the place the Lord chooses