I don't think there's such a thing as a human incapable of violence, given the right situation. Check out the reaction of every other mammal on the planet when

I don't think there's such a thing as a human incapable of violence, given the right situation. Check out the reaction of every other mammal on the planet when cornered in a life-threatening situation. Many are incapable of effective violence, but as a last resort it's hardwired. Being a peaceful person on a daily basis is a measure of how socialized you are and how much negotiation and compromise you're capable of, but that in turn is a measure of your ability to evaluate risk and threat in a sane, socialized way. Non-peaceful people are in some ways reacting to everything as if it were a threat to their lives. Harmlessness and peaceability are orthogonal to each other. One can be violent and harmless just as easily as peaceable and dangerous.