Don’t Confuse Revenge With Justice: Five Key Differences | Psychology Today
1. Revenge is predominantly emotional; justice primarily rational. Revenge is mostly about “acting out” (typically through violence) markedly negative emotions. At its worst, it expresses a hot, overwhelming desire for bloodshed. As perverse as it may seem, there’s actual pleasure experienced in causing others to suffer for the hurt they’ve caused the avenger, or self-perceived victim (cf. the less personal Schadenfreude).