All my enemies are self-appointed.

Death isn't funny." "Then why are there so many jokes about death? Jill, with us — us humans — death is so sad that we must laugh at it.

Man has no moral instinct. He is not born with moral sense. You were not born with it, I was not - and a puppy has none. We acquire moral sense, when we do, through training, experience, and hard sweat of the mind.

Teaching causes people to go into situations from which they cannot escape, except by thinking. Do not handicap children by making their lives easy.

Always cut the cards...and smile when you lose.

A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.

Minimize your therbligs until it becomes automatic; this doubles your effective lifetime - and thereby gives time to enjoy butterflies and kittens and rainbows.