“Adapt or perish, now as ever, is nature's inexorable imperative.”

“While there is a chance of the world getting through its troubles, I hold that a reasonable man has to behave as though he were sure of it. If at the end your cheerfulness in not justified,...”

“History is a race between education and catastrophe.”

“For after the Battle comes quiet.”

“I had made myself the most complicated and the most hopeless trap that ever a man devised.”