Anyone who cannot cope with mathematics is not fully human. At best, he is a tolerable subhuman who has learned to wear his shoes, bathe, and not make messes in the house.

The purpose of war is to support your government's decisions by force.

English is the largest of human tongues, with several times the vocabulary of the second largest language -- this alone made it inevitable that English would eventually become, as it did, the lingua franca of this planet, for it is thereby the richest and most flexible -- despite its barbaric accretions . . . or, I should say, because of its barbaric accretions. English swallows up anything that comes its way, makes English out of it.

How can you argue with a woman who won't?

The brown monkey's instinct to kill is correct; such men are dangerous to all monkey customs.

Being privileged to work hard for long hours at something you think is worth doing is the best kind of play.

The Universe was a silly place at best...but the least likely explanation for it was the no-explanation of random chance, the conceit that abstract somethings 'just happened' to be atoms that 'just happened' to get together in ways which 'just happened' to look like consistent laws and some configurations 'just happened' to possess self-awareness and that two 'just happened' to be the Man from Mars and a bald-headed old coot with Jubal inside.