"I've found out why people laugh. They laugh because it hurts so much... because it's the only thing that'll make it stop hurting" ... "But that's not all people laugh at." "Isn't it? Perhaps I don't grok all its fullness yet. But find me something that really makes you laugh sweetheart... a joke, or anything else- but something that gave you a a real belly laugh, not a smile. Then we'll see if there isn't a wrongness wasn't there." He thought. "I grok when apes learn to laugh, they'll be people."

You can sway a thousand men by appealing to their prejudices quicker than you can convince one man by logic.

Coffee comes in five descending stages: Coffee, Java, Jamoke, Joe, and Carbon Remover.

Churches thrive on martyrdom and persecution.

Spacemen - men who work in space, pilots and jetmen and astrogators and such - are men who like a few million miles of elbow room.

...a book need never die and should not be killed; books were the immortal part of man.

Your enemy is never a villain in his own eyes.