Numbers 18:3

18:3 They must be responsible to care for you and to care for the entire tabernacle. However, they must not come near the furnishings of the sanctuary and the altar, or both they and you will die.

Numbers 18:2

18:2 “Bring with you your brothers, the tribe of Levi, the tribe of your father, so that they may join with you and minister to you while you and your sons with you are before the tent of the testimony.

Numbers 23:9

23:9 For from the top of the rocks I see them;

from the hills I watch them.

Indeed, a nation that lives alone,

and it will not be reckoned among the nations.