The avenger of blood himself shall slay the murderer: when he meets him, he shall slay him. But if he pushes him from hatred, or hurls at him by lying in wait, that he dies; Or in enmity strikes him with his hand, that he dies: he that struck him shall surely be put to death; for he is a murderer: the avenger of blood shall slay the murderer, when he meets him.
Then the elders of his city shall send and bring him from there, and deliver him into the hand of the avenger of blood, that he may die.
And if the avenger of blood pursues after him, then they shall not deliver the slayer up into his hand; because he struck his neighbor unintentionally, and hated him not beforehand.
Lest the avenger of blood pursue the manslayer, while his anger is hot, and overtake him, because the way is long, and slay him; whereas he was not worthy of death, inasmuch as he hated the victim not in time past.
2 Samuel 14:11
Then said she, I pray you, let the king remember the LORD your God, that you would not allow the revengers of blood to destroy any more, lest they destroy my son. And he said, As the LORD lives, there shall not one hair of your son fall to the earth.
For the voice of him that reproaches and blasphemes; because of the enemy and avenger.
And they shall be unto you cities for refuge from the avenger; that the manslayer die not, until he stands before the congregation in judgment.
That the slayer that kills any person accidentally and unintentionally may flee there: and they shall be your refuge from the avenger of blood.
These were the cities appointed for all the children of Israel, and for the stranger that sojourns among them, that whosoever kills any person accidentally might flee there, and not die by the hand of the avenger of blood, until he stood before the congregation.
And your eye shall not pity; but life shall go for life, eye for eye, tooth for tooth, hand for hand, foot for foot.
You have heard that it has been said, An eye for an eye, and a tooth for a tooth:
And Samson said unto them, Though you have done this, yet will I be avenged of you, and after that I will cease.
And Samson called unto the LORD, and said, O Lord GOD, remember me, I pray you, and strengthen me, I pray you, only this once, O God, that I may be avenged of the Philistines for my two eyes.
To execute vengeance upon the nations, and punishments upon the people;
For I heard the mocking of many, fear on every side. Report, say they, and we will report it. All my friends watched for my fall, saying, Perhaps he will be deceived, and we shall prevail against him, and we shall take our revenge on him.
Avenge the children of Israel of the Midianites: afterward shall you be gathered unto your people.
Shout against her round about: she has given her hand: her foundations have fallen, her walls are thrown down: for it is the vengeance of the LORD: take vengeance upon her; as she has done, do unto her.
1 Samuel 14:24
And the men of Israel were distressed that day: for Saul had lain an oath on the people, saying, Cursed be the man that eats any food until evening, that I may be avenged on my enemies. So none of the people tasted any food.
The copy of the writing for a command to be given in every province was published unto all people, so that the Jews should be ready against that day to avenge themselves on their enemies.
And seeing one of them suffer wrong, he defended him, and avenged him that was oppressed, and smote the Egyptian:
Thus says the Lord GOD; Because Edom has dealt against the house of Judah by taking vengeance, and has greatly offended, and revenged itself upon them;
Thus says the Lord GOD; Because the Philistines have dealt by revenge, and have taken vengeance with a spiteful heart, to destroy for the old hatred;
And the LORD said unto him, Therefore whosoever slays Cain, vengeance shall be taken on him sevenfold. And the LORD set a mark upon Cain, lest any finding him should kill him.
If Cain shall be avenged sevenfold, truly Lamech seventy and sevenfold.