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

The highest result of education is tolerance.

A little knowledge that acts is worth infinitely more than much knowledge that is idle.

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

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

Many much-learned men have no intelligence.

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

Common sense is the collection of prejudices acquired by age eighteen.

The most savage controversies are those about matters as to which there is no good evidence either way.

It is what you read when you don't have to that determines what you will be when you can't help it.

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

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

Don't learn to do, but learn in doing.

If you want the present to be different from the past, study the past.

The progressive development of man is vitally dependent on invention.

Better know nothing than half-know many things.

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

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

Science is a way of thinking much more than it is a body of knowledge.

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.

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