More quotes by Robert A. Heinlein

"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."
"Almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so."
"May you live as long as you wish and love as long as you live."
"Women and cats will do as they please, and men and dogs should relax and get used to the idea."