More quotes by Robert A. Heinlein

"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."
"Men are not potatoes!"
"Climate is what you expect, weather is what you get."
"Women and cats will do as they please, and men and dogs should relax and get used to the idea."