“A first principle not formally recognized by scientific methodologists: when you run into something interesting, drop everything else and study it.”

A person’s genetic endowment, a product of the evolution of the species, is said to explain part of the workings of his mind and his personal history the rest.

The real problem is not whether machines think but whether men do.

A person’s genetic endowment, a product of the evolution of the species, is said to explain part of the workings of his mind and his personal history the rest.

The real problem is not whether machines think but whether men do.

We have seen that in certain respects operant reinforcement resembles the natural selection of evolutionary theory. Just as genetic characteristics which arise as mutations are selected or discarded by their consequences, so novel forms of behavior are selected or discarded through reinforcement.

We have seen that in certain respects operant reinforcement resembles the natural selection of evolutionary theory. Just as genetic characteristics which arise as mutations are selected or discarded by their consequences, so novel forms of behavior are selected or discarded through reinforcement.

We have seen that in certain respects operant reinforcement resembles the natural selection of evolutionary theory. Just as genetic characteristics which arise as mutations are selected or discarded by their consequences, so novel forms of behavior are selected or discarded through reinforcement.

To require a citizen to sign a loyalty oath is to destroy some of the loyalty he could otherwise claim, since any subsequent loyal behavior may then be attributed to the oath.

I don’t believe in God, so I’m not afraid of dying.

The juvenile delinquent does not feel his disturbed personality. The intelligent man does not feel his intelligence or the introvert his introversion.

A vast technology has been developed to prevent, reduce, or terminate exhausting labor and physical damage. It is now dedicated to the production of the most trivial conveniences and comfort.

The only geniuses produced by the chaos of society are those who do something about it. Chaos breeds geniuses. It offers a man something to be a genius about.

Going out of style isn’t a natural process, but a manipulated change which destroys the beauty of last year’s dress in order to make it worthless.

Chaos breeds geniuses. It offers a man something to be a genius about.

We shouldn’t teach great books; we should teach a love of reading.

We do not choose survival as a value, it chooses us.

The game of science is, in principle, without end.

Never let pride be your guiding principle. Let your accomplishments speak for you.

A man without principle is like a tree without leaves.

Having a mind that is open to everything and attached to nothing seems to me to be one of the most basic principles that you can adopt to contribute to individual and world peace.

There is a good principle which created order, light, and man, and an evil principle which created chaos, darkness, and woman.

When you say you agree to a thing in principle you mean that you have not the slightest intention of carrying it out in practice.

Allow yourself to think only those thoughts that match your principles and can bear the bright light of day.

Letting bygones be bygones is a basic principle in economics.