Numbers 35:22

And if suddenly, not in enmity, he thrust him, or cast upon him any instrument in not lying in wait,

Exodus 21:13

And when he hunted not after, and God let fall into his hand, and I set to thee a place where he shall flee there.

Numbers 35:11

And build ye to you cities; cities of refuge shall they be to you; and the slayer to flee there smiting a soul in error.

Deuteronomy 19:5

And who shall go with his friend into the forest to cut wood, and his hand thrust out with the axe to out down the tree, and the iron slipped from the wood and found his friend, and he died; he shall flee to one of these cities, and he lived:

Joshua 20:3

For the slayer smiting a soul in mistake and without knowledge, to flee there: and they shall be to you for refuge from the nearest kinsman of blood.

Joshua 20:5

And if the nearest relation of blood shall pursue after him, and they shall not deliver over the slayer into his hand; for without knowing he smote his friend, and he hated him not from yesterday the third day.

Treasury of Scripture Knowledge

Summary

But if he thrust him suddenly without enmity, or have cast upon him any thing without laying of wait,

Bible References

General references

Numbers 35:11
And build ye to you cities; cities of refuge shall they be to you; and the slayer to flee there smiting a soul in error.
Exodus 21:13
And when he hunted not after, and God let fall into his hand, and I set to thee a place where he shall flee there.
Deuteronomy 19:5
And who shall go with his friend into the forest to cut wood, and his hand thrust out with the axe to out down the tree, and the iron slipped from the wood and found his friend, and he died; he shall flee to one of these cities, and he lived:
Joshua 20:3
For the slayer smiting a soul in mistake and without knowledge, to flee there: and they shall be to you for refuge from the nearest kinsman of blood.