The Insanity of War (1935) [pdf]
sci-hub.seA selected quote:
"It should be realised that the fighting-instinct, if well directed, gives energy for much that is good and beautiful. But the same instinct may create chaos if it breaks loose from all restraint, making use of the greatest discoveries of the human intellect."
Thanks for pulling this quote, it’s very compelling and certainly pulled me into the work.