Numbers 35:10

⁸And as for the cities which ye shall give out of the possession of the children of Israel, from those that have much ye shall give much, and from those that have less ye shall give less: they shall give of their cities to the Levites each one according to his inheritance which they shall inherit.

⁹And the Lord spoke to Moses, saying,

— Numbers 35:10 —

¹¹And ye shall appoint to yourselves cities: they shall be to you cities of refuge for the slayer to flee to, everyone who has killed another unintentionally.

¹²And the cities shall be to you places of refuge from the avenger of blood, and the slayer shall not die until he stands before the congregation for judgment.