Each man is his own prisoner, in solitary confinement for life.

A human being should be able to change a diaper, plan an invasion, butcher a hog, cone 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.

Belief gets in the way of learning.

Love is that condition in which the happiness of another person is essential to your own.

To get anywhere, or even live a long time, a man has to guess, and guess right, over and over again, without enough data for a logical answer.

Learning isn't a means to an end; it is an end in itself.

Money is truthful. If a man speaks of honor, make him pay cash.

A "critic" is a man who creates nothing ...

You have attributed conditions to villainy that simply result from stupidity.

If it's worth doing, it's worth overdoing.