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

Industrialize or perish.

I am so clever that sometimes I don't understand a single word of what I am saying.

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

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

Just because I don't care doesn't mean I don't understand.

I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.

An investment in knowledge pays the best interest.

What is freedom of expression? Without the freedom to offend, it ceases to exist.

Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.

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

Seek knowledge from the cradle to the grave.

Study without desire spoils the memory, and it retains nothing that it takes in.

To educate a person in the mind but not in morals is to educate a menace to society.

The highest result of education is tolerance.

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

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

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

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

Courage, conviction and confidence.

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.