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

No man's knowledge here can go beyond his experience.

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

Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.

I do not know how to teach philosophy without becoming a disturber of the peace.

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

I have no special talents. I am only passionately curious.

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

Patience is a virtue, and I'm learning patience. It's a tough lesson.

What is now proved was once only imagined.

Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.

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

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

Education is a system of imposed ignorance.

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

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

Industrialize or perish.

My weapon is literature

The secret of life is not enjoyment but education through experience.

You can never be overdressed or overeducated.

I like poems you can tack all over with a hammer and there are no hollow places.