Deuteronomy 4:42
so that someone who committed manslaughter could flee there, [that is, a person] who killed his neighbor unintentionally and without previously having hostility toward him, and that by escaping to one of these cities he might [claim the right of asylum and] save his life:
Numbers 35:6
[Among] the cities which you give to the Levites shall be the six cities of refuge, which you shall provide for the one who commits manslaughter to flee to; and in addition to them you shall give forty-two cities [to the Levites].
Numbers 35:11-12
then you shall select for yourselves cities to be cities of refuge, so that the one who kills any person unintentionally may escape there.
Numbers 35:15-28
These six cities shall be a refuge for the Israelites and for the stranger and the resident alien among them; so that anyone who kills a person unintentionally may escape there.
Deuteronomy 19:1-10
“When the Lord your God cuts off (destroys) the nations whose land He is giving you, and you dispossess them and live in their cities and in their houses,
Hebrews 6:18
so that by two unchangeable things [His promise and His oath] in which it is impossible for God to lie, we who have fled [to Him] for refuge would have strong encouragement and indwelling strength to hold tightly to the hope set before us.