“She hardly ever thought of him. He had worn a place for himself in some corner of her heart, as a sea shell, always boring against the rock, might do. The making of the place had been her pain. But...”

“If people reach perfection they vanish, you know.”

“Education is experience, and the essence of experience is self-reliance.”

“The Destiny of Man is to unite, not to divide. If you keep on dividing you end up as a collection of monkeys throwing nuts at each other out of separate trees.”

“Everything not forbidden is compulsory”

“Those who lived by the sword were forced to die by it.”

“The land of easy mathematics where he who works adds up and he who retires subtracts.”

“At the age of 45, most days in Tucson were spent feeling like I was on the summit of Mauna Kea, as I was exhibiting debilitating health symptoms that corresponded to what I saw at very high altitud...”

“The hour is only long thus, if you've waited.”

“War is what happens when language fails.”

“Never think that war, no matter how necessary, nor how justified, is not a crime.”

“The world is full enough of hurts and mischances without wars to multiply them.”

“Youth is a dream, a form of chemical madness.”

“Youth is like having a big plate of candy. Sentimentalists think they want to be in the pure, simple state they were in before they ate the candy. They don't. They just want the fun of eating it al...”

“The secret of remaining young is never to have an emotion that is unbecoming.”