When you're finally up on the moon, looking back at the earth, all these differences and nationalistic traits are pretty well going to blend and you're going to get a concept that maybe this is really one world and why the hell can't we learn to live together like decent people."
Peace is an environment where conflicts are resolved without violence, where people are free, not exploited, living so they can grow to their full potential.
Peace is not the absence of conflict, but the presence of creative alternatives for responding to conflict; alternatives to passive or aggressive responses, alternatives to violence.