Deuteronomy 4:42
for the fleeing thither of the man-slayer, who slayeth his neighbour unknowingly, and he is not hating him heretofore, and he hath fled unto one of these cities, and he hath lived:
Numbers 35:6
And the cities which ye give to the Levites are the six cities of refuge, which ye give for the fleeing thither of the man-slayer, and besides them ye give forty and two cities;
Numbers 35:11-12
and have prepared to yourselves cities -- cities of refuge they are to you -- then fled thither hath a man-slayer, smiting a person unawares,
Numbers 35:15-28
To sons of Israel, and to a sojourner, and to a settler in their midst, are these six cities for a refuge, for the fleeing thither of any one smiting a person unawares.
Deuteronomy 19:1-10
'When Jehovah thy God doth cut off the nations, whose land Jehovah thy God is giving to thee, and thou hast succeeded them, and dwelt in their cities, and in their houses,
Hebrews 6:18
that through two immutable things, in which it is impossible for God to lie, a strong comfort we may have who did flee for refuge to lay hold on the hope set before us,