Let's say country X attacks country Y. Then, country Y counters by killing X's people. Is that justice? Definitions: Justice: Quality of being righteous. The law. Revenge: The act of taking retaliation for injuries or wrongs. Justice can also being 'an eye for an eye' like revenge. In ancient history or stories, children would anvenge their parents death. The bible says that revenge is evil. But is there any difference when we hand the murderers to be dealt with (probably faces the death penalty)? If you think that justice has more fairness, it can't be. Revenge can sometimes be fair if we do the maths - do an equal amount of retaliation. And by the way, what is the difference between them?