Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

To every action there is always an equal and opposite or contrary, reaction

I have no special talents. I am only passionately curious.

There is nothing more awful, insulting, and depressing than banality.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

Civilization is a race between disaster and education.

Don't worry that children never listen to you; worry that they are always watching you.

A witty saying proves nothing.

I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.

The reading of all good books is like conversation with the finest men of past centuries.

Imagination is more important than knowledge.

Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.

I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.

In mathematics you don't understand things. You just get used to them.

A thought is an idea in transit.

An investment in knowledge pays the best interest.

The white man is very clever. He came quietly and peaceably with his religion. We were amused at his foolishness and allowed him to stay. Now he has won our brothers, and our clan can no longer act like one. He has put a knife on the things that held us together and we have fallen apart.

The ability to observe without evaluating is the highest form of intelligence.

The only good is knowledge and the only evil is ignorance.

I am indebted to my father for living, but to my teacher for living well.