Originally posted by Yeager
Since mankind managed to rise up off all fours there has never been peace. There will eventually be peace once mankind has left the premises.
Plenty of other species kill their own kind.
And in humans, war predates culture. I think natural selection is always going to result in the dominant species being one that can kick a little ass.
Think of the beginning of Kubrick's 2001. What's more peaceful, having a full belly and fresh water to drink and a little blood on your hands, or having none of the above?