Experience is simply the name we give our mistakes.

Society is well governed when its people obey the magistrates， and the magistrates obey the law.

The mind is a system of organs of computation, designed by natural selection to solve the kinds of problems our ancestors faced in their foraging way of life.

The most reliable thing in the world is yourself.

A society’s competitive advantage will come not from how well its schools teach the multiplication and periodic tables， but from how well they stimulate imagination and creativity.

A sound mind in a sound body, is a short, but full description of a happy state in this World: he that has these two, has little more to wish for; and he that wants either of them, will be little the better for anything else. Men’s happiness or misery is most part of their own making. He, whose mind directs not wisely, will never take the right way; and he, whose body is crazy and feeble, will never be able to advance in it.