Deuteronomy 19:1-3; Deuteronomy 19:7

Deuteronomy 19:1-3

1 When the LORD your God has destroyed the nations whose land he is giving you, and when you have driven them out and settled in their towns and houses,

2 then set aside for yourselves three cities in the land the LORD your God is giving you to possess.

3 Determine the distances involved and divide into three parts the land the LORD your God is giving you as an inheritance, so that a person who kills someone may flee for refuge to one of these cities.

Deuteronomy 19:7

7 This is why I command you to set aside for yourselves three cities.