blood will have blood

blood will have blood

Violent acts will be followed by more violent acts of vengeance. I'm not surprised that he got beat up after punching his nemesis—blood will have blood, after all.
See also: blood, have, will

Blood will have blood.

Prov. People will use violence to get revenge for violent acts; murderers will themselves be murdered. Although no one suspected him of the murder he had committed, Parker lived in fear. He had heard that blood will have blood. I am afraid that the two gangs will never stop killing each other. Blood will have blood.
See also: blood, have, will