Edit: /j
It's in Human Nature to be violent, which I why I've made sure to arm my kindergarten class with knives. Because otherwise I would not be accounting for Human Nature.
(note: this is sarcastic, I did not arm a kindergarten class with knives)
In some ancient text I read it talks about how the ancient Greeks had stopped wearing swords all the time for protection, but there were still some primitive areas where they did. Civilization reduces the necessity and the rate of return on individual violence it would seem.
(However I did give them hard plastic clubs shaped in the form of shovels)
Oh, you are being sarcastic? Wouldn't have guessed
Me when I take all napkins and salt shakers from every restaurant because apparently greed is just human nature
?
Common refrain from capitalism fans is that communism can never work because humans are inherently selfish/greedy as proven by their observation that humans are selfish and greedy in the system that rewards selfishness and greed.