You can never be overdressed or overeducated.

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

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

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

The books that the world calls immoral are books that show the world its own shame.

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.

A thought is an idea in transit.

The ability to observe without evaluating is the highest form of intelligence.

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

Education is the ability to listen to almost anything without losing your temper or your self-confidence.

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

The only true wisdom is in knowing you know nothing.

I am indebted to my father for living, but to my teacher for living well.

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

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.

Free the child's potential, and you will transform him into the world.

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.

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

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

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