Just never again tell your soldiers before battle “You won’t change anything!” tell them what John Connor asked Kyle Reese to tell his mother - “There is no destiny but the one we make for ourselves.” As they say, let’s personally thank Jim Cameron for this fine movie, right in Hollywood. If I succeed in “making a difference” - cite me to the soldiers as an example.
The samurai code “Bushido”, which was put down on paper at a time when samurai began to forget it, says, among other things:
Revenge is often simply to break into an enemy’s house and die.