Numbers 14:14

14:14 then they will tell it to the inhabitants of this land. They have heard that you, Lord, are among this people, that you, Lord, are seen face to face, that your cloud stands over them, and that you go before them by day in a pillar of cloud and in a pillar of fire by night.

Numbers 18:9

18:9 Of all the most holy offerings reserved from the fire this will be yours: Every offering of theirs, whether from every grain offering or from every purification offering or from every reparation offering which they bring to me, will be most holy for you and for your sons.