There is no peace because the making of peace is at least as costly as the making of war - at least as exigent, at least as disruptive, at least as liable to bring disgrace and prison and death in its wake.
No obligation to justice does force a man to be cruel, or to use the sharpest sentence.
When you are younger you get blamed for crimes you never committed and when you're older you begin to get credit for virtues you never possessed. It evens itself out.
When I was in prison, I was wrapped up in all those deep books. That Tolstoy crap - people shouldn't read that stuff.