More quotes by Robert A. Heinlein

"A poet who reads his verse in public may have other nasty habits."
"An armed society is a polite society. Manners are good when one may have to back up his acts with his life."
"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."
"Writing is not necessarily something to be ashamed of, but do it in private and wash your hands afterwards."
"Climate is what you expect, weather is what you get."