" Like a bird or animal, you had to fight for your territory. War brought you slaves, land, food, women–the things you needed to survive. But now we have got to learn to avoid war, not because of our nicer natures or our dislike of hurting others, but because war is not profitable, we shall not survive war, but shall, as well as our adversaries, be destroyed by war. The time of the tigers is over; now, no doubt, we shall have the time of the rogues and the charlatans, of the thieves, the robbers and pickpockets; but that is better–it is a stage on the upward way. There "

― Agatha Christie , Agatha Christie: An Autobiography