Deuteronomy 4:42

that the manslayer might flee thither who should slay his neighbour unawares, he, not having hated him, aforetime, - and might flee unto one of these cities, and live:

Numbers 35:6

And, among the cities which ye shall give unto the Levites, shall be the six cities of refuge, which ye shall give that the manslayer may flee thither, - and besides them, ye shall give, forty-two cities,

Numbers 35:11-12

then shall ye find for you, convenient cities, cities of refuge, shall they be unto you, - and the manslayer, who hath slain a person, by mistake, shall flee thither.

Numbers 35:15-28

For the sons of Israel and for the sojourner. and for the settler in your midst, shall these six cities serve, as places of refuge, - that any one may flee thither who hath slain a person, by mistake.

Deuteronomy 19:1-10

When Yahweh thy God, shall cut off the nations whose land Yahweh thy God is giving thee, - and thou shalt dispossess them, and dwell in their cities and in their houses,

Hebrews 6:18

In order that, through means of two unchangeable things, in which it was impossible for God to make himself false, a mighty consolation, we might have, who have fled along to grasp, the fore-lying hope,

Treasury of Scripture Knowledge

Summary

That the slayer might flee thither, which should kill his neighbour unawares, and hated him not in times past; and that fleeing unto one of these cities he might live:

Bible References

General references

Deuteronomy 19:1
When Yahweh thy God, shall cut off the nations whose land Yahweh thy God is giving thee, - and thou shalt dispossess them, and dwell in their cities and in their houses,
Numbers 35:6
And, among the cities which ye shall give unto the Levites, shall be the six cities of refuge, which ye shall give that the manslayer may flee thither, - and besides them, ye shall give, forty-two cities,
Hebrews 6:18
In order that, through means of two unchangeable things, in which it was impossible for God to make himself false, a mighty consolation, we might have, who have fled along to grasp, the fore-lying hope,