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

Dare to think for yourself.

The schools ain't what they used to be and never was.

Men are born ignorant, not stupid. They are made stupid by education.

The highest result of education is tolerance.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

You can never be overdressed or overeducated.

If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.

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

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

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

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

Education is a system of imposed ignorance.

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

Make it a rule never to give a child a book you would not read yourself.

Courage, conviction and confidence.

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

Industrialize or perish.

What is now proved was once only imagined.

What sculpture is to a block of marble, education is to a human soul.

There is nothing more awful, insulting, and depressing than banality.