Violence never settles anything should be debated by the ghosts of Hitler and Stalin, with the city fathers of Carthage as referees.
Robert A. HeinleinSince survival is the sine qua non, I now define the "moral behavior" as "behavior that tends toward survival".
Robert A. HeinleinThe basic of all morality is duty, a concept with the same relation to group that self-interest has to individual.
Robert A. HeinleinWhen the citizens of a nation will no longer volunteer to defend it, then it is probably not worth saving. No nation has the right to survive with conscript troops, and in the long run, no nation ever has.
Robert A. Heinlein