Deuteronomy 19:4

And this is the cause of the slayer that shall flee thither and be saved: If he smite his neighbour ignorantly and hated him not in time past;

Numbers 35:15-24

And these six free cities shall be for the children of Israel and for the stranger and for him that dwelleth among you, that all they which kill any person unawares, may flee thither.

Deuteronomy 4:42

that he should flee thither which had killed his neighbour unawares and hated him not in time past, and therefore should flee unto one of the same cities and live:

Genesis 31:2

And Jacob beheld the countenance of Laban, that it was not toward him as it was in times past.

Deuteronomy 19:6

Lest the executer of blood follow after the slayer while his heart is hot and overtake him, because the way is long, and slay him, and yet there is no cause worthy of death in him, inasmuch as he hated not his neighbour in time past.

Joshua 3:4

So yet that there be a space between you and it, about a two thousand cubits by measure. And come not nigh unto it, that ye may know the way by which ye must go: for ye have not gone by it in times past."

1 Chronicles 11:2

And moreover in time past, even when Saul was king, thou leddest Israel out and in. And the LORD thy God said unto thee, 'Thou shalt feed my people Israel, and thou shalt be captain over my people Israel.'"

Isaiah 30:33

For the fire of pain is ordained from the beginning: yea, even for kings it is prepared. This hath the LORD set in the deep, and made it wide: the burning whereof is fire and much wood. The breath of the LORD, which is a river of brimstone, doth kindle it.

Treasury of Scripture Knowledge

Summary

And this is the case of the slayer, which shall flee thither, that he may live: Whoso killeth his neighbour ignorantly, whom he hated not in time past;

Bible References

The slayer

Deuteronomy 4:42
that he should flee thither which had killed his neighbour unawares and hated him not in time past, and therefore should flee unto one of the same cities and live:
Numbers 35:15
And these six free cities shall be for the children of Israel and for the stranger and for him that dwelleth among you, that all they which kill any person unawares, may flee thither.