Deuteronomy 19:2-4

New King James Version

^2 (A)you shall separate three cities for yourself in the midst of your land which the Lord your God is giving you to possess. ³ You shall prepare roads for yourself, and divide into three parts the territory of your land which the Lord your God is giving you to inherit, that any manslayer may flee there.

⁴ “And ^(B)this is the case of the manslayer who flees there, that he may live: Whoever kills his neighbor ^[a]unintentionally, not having hated him in time past—