Deuteronomy 19:6-8

Christian Standard Bible

⁶ Otherwise, the avenger of blood in the heat of his anger^[a] might pursue the one who committed manslaughter, overtake him because the distance is great, and strike him dead. Yet he did not deserve to die,^[b] since he did not previously hate his neighbor. ⁷ This is why I am commanding you to set apart three cities for yourselves. ⁸ If the Lord your God enlarges your territory as he swore to your ancestors, and gives you all the land he promised to give them—