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

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

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

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

The knowledge of all things is possible

What is now proved was once only imagined.

I like poems you can tack all over with a hammer and there are no hollow places.

Those who fail to learn the lessons of history are doomed to repeat them.

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.

Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.

Knowing others is wisdom, knowing yourself is Enlightenment.

The fullness of knowledge only comes through the awareness of ignorance.

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

A thought is an idea in transit.

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

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

The man who is fond of books is usually a man of lofty thought, and elevated opinions.

The most important part of teaching is to teach what it is to know.

The great difficulty in education is to get experience out of ideas.

I cannot teach anybody anything. I can only make them think

The direction in which education starts a man will determine his future in life