Deuteronomy 19:6

otherwise the avenger of blood might pursue the manslayer in the heat of his anger, and overtake him, because the way is long, and take his life, though he was not deserving of death, since he had not hated him previously.

Numbers 35:12

The cities shall be to you as a refuge from the avenger, so that the manslayer will not die until he stands before the congregation for trial.

Deuteronomy 21:22

“If a man has committed a sin worthy of death and he is put to death, and you hang him on a tree,

Joshua 20:5

Now if the avenger of blood pursues him, then they shall not deliver the manslayer into his hand, because he struck his neighbor without premeditation and did not hate him beforehand.

2 Samuel 14:7

Now behold, the whole family has risen against your maidservant, and they say, ‘Hand over the one who struck his brother, that we may put him to death for the life of his brother whom he killed, and destroy the heir also.’ Thus they will extinguish my coal which is left, so as to leave my husband neither name nor remnant on the face of the earth.”

Jeremiah 26:15-16

Only know for certain that if you put me to death, you will bring innocent blood on yourselves, and on this city and on its inhabitants; for truly the Lord has sent me to you to speak all these words in your hearing.”

Treasury of Scripture Knowledge

Summary

Lest the avenger of the blood pursue the slayer, while his heart is hot, and overtake him, because the way is long, and slay him; whereas he was not worthy of death, inasmuch as he hated him not in time past.

In time past

General references

Bible References

The avenger

Numbers 35:12
The cities shall be to you as a refuge from the avenger, so that the manslayer will not die until he stands before the congregation for trial.
Joshua 20:5
Now if the avenger of blood pursues him, then they shall not deliver the manslayer into his hand, because he struck his neighbor without premeditation and did not hate him beforehand.
2 Samuel 14:7
Now behold, the whole family has risen against your maidservant, and they say, ‘Hand over the one who struck his brother, that we may put him to death for the life of his brother whom he killed, and destroy the heir also.’ Thus they will extinguish my coal which is left, so as to leave my husband neither name nor remnant on the face of the earth.”

Not worthy

Deuteronomy 21:22
“If a man has committed a sin worthy of death and he is put to death, and you hang him on a tree,
Jeremiah 26:15
Only know for certain that if you put me to death, you will bring innocent blood on yourselves, and on this city and on its inhabitants; for truly the Lord has sent me to you to speak all these words in your hearing.”

In time past

Deuteronomy 19:4
Now this is the case of the manslayer who may flee there and live: when he kills his friend unintentionally, not hating him previously—

General references

Numbers 35:19
The blood avenger himself shall put the murderer to death; he shall put him to death when he meets him.