Deuteronomy 4:42
That the slayer might flee there, who should kill his neighbor unintentionally, and hated him not in times past; and that fleeing unto one of these cities he might live:
Numbers 35:6
And among the cities which you shall give unto the Levites there shall be six cities for refuge, which you shall appoint for the manslayer, that he may flee there: and to them you shall add forty and two cities.
Numbers 35:11-12
Then you shall appoint you cities to be cities of refuge for you; that the slayer may flee there, who kills any person unintentionally.
Numbers 35:15-28
These six cities shall be a refuge, both for the children of Israel, and for the stranger, and for the sojourner among them: that every one that kills any person unintentionally may flee there.
Deuteronomy 19:1-10
When the LORD your God has cut off the nations, whose land the LORD your God gives you, and you dispossess them, and dwell in their cities, and in their houses;
Hebrews 6:18
That by two immutable things, in that it was impossible for God to lie, we might have strong encouragement, who have fled for refuge to lay hold upon the hope set before us: