"If all the thought which had been expended on the construction of engines of agony and death — the modes of aggression and defence, the raising of armies, and the acquirement of those arts of tyranny and falsehood without which mixed multitudes could neither be led nor governed — had been employed to promote the true welfare and extend the real empire of man, how different would have been the present situation of human society! how different the state of knowledge in physical and moral science, upon which the power and happiness of mankind essentially depend!"