All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

It is better to know how to learn than to know.

Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.

Most people have never learned that one of the main aims in life is to enjoy it.

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

The knowledge of all things is possible

If there were no bad people, there would be no good lawyers.

Courage, conviction and confidence.

Reading without reflecting is like eating without digesting.

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

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

What we know is a drop, what we don't know is an ocean.

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

Science is what we have learned about how to keep from fooling ourselves.

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.

A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.

That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.

If you can't explain it simply, you don't understand it well enough.

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

If one cannot enjoy reading a book over and over again, there is no use in reading it at all.