"There are things known and there are things unknown, and in between are the doors of perception."

"Words are like X-rays if you use them properly — they’ll go through anything. You read and you’re pierced."

"Man is an animal that makes promises and breaks them."

"As political and economic freedom diminishes, sexual freedom tends compensatingly to increase. And the dictator (unless he happens to be puritanical as well as power-loving) will do well to encourage …"

"The greatest danger for most of us is not that our aim is too high and we miss it, but that it is too low and we reach it."