He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.

Just because I don't care doesn't mean I don't understand.

An investment in knowledge pays the best interest.

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

There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.

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.

When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.

With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.

Knowing is not enough; we must apply. Willing is not enough; we must do.

Any sufficiently advanced technology is indistinguishable from magic.

I do not know how to teach philosophy without becoming a disturber of the peace.

Science is not only a disciple of reason but, also, one of romance and passion.

If the facts don't fit the theory, change the facts.

We could never learn to be brave and patient, if there were only joy in the world

Never help a child with a task at which he feels he can succeed.

Dare to think for yourself.

You can never be overdressed or overeducated.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

The real solution lies in a world in which charity will have become unnecessary.

I decided to teach because I think that any person who studies philosophy has to be involved actively.

Physics is like sex: sure, it may give some practical results, but that's not why we do it.