When you know better you do better.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

The deepest sin against the human mind is to believe things without evidence.

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.

Books are as useful to a stupid person as a mirror is useful to a blind person.

What is now proved was once only imagined.

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

As we acquire more knowledge, things do not become more comprehensible but more mysterious.

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

I think that kids have a greater capacity for processing things than we give them credit for.

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

Education is a system of imposed ignorance.

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

My weapon is literature

Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.

Reading is to the mind what exercise is to the body.

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

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

Intelligence plus character-that is the goal of true education.

It is beyond a doubt that all our knowledge begins with experience.

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