Deuteronomy 19:2
When all this is done, set aside three cities in the land that Jehovah your God gives you.
Exodus 21:13
If you did not intend to kill someone and I, Jehovah, let it happen anyway, you may run for safety to a place that I have set aside.
Numbers 35:10-15
Tell the Israelites: When you cross the Jordan River and enter Canaan,
Deuteronomy 4:41-43
Moses set aside three cities on the east side of the Jordan.
Joshua 20:2-7
Speak to the children of Israel and say: Designate cities of refuge just as Moses directed.
Hebrews 6:18
God did this to offer encouragement so we may rely on the hope offered to us. We have taken refuge in that hope and it is impossible for God to lie. These two things can never be changed.