A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

A cynic is a man who knows the price of everything, and the value of nothing.

Education is an ornament for the prosperous, a refuge for the unfortunate.

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

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.

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.

Science is not only a disciple of reason but, also, one of romance and passion.

Dare to think for yourself.

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

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

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

He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.

Education is the best friend. An educated person is respected everywhere. Education beats the beauty and the youth.

Investigate, educate and organize.

Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.

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

The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.

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

The progressive development of man is vitally dependent on invention.