More quotes by Robert A. Heinlein

"Men are not potatoes!"
"A poet who reads his verse in public may have other nasty habits."
"May you live as long as you wish and love as long as you live."
"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."
"One man's theology is another man's belly laugh."