If there were no bad people, there would be no good lawyers.

There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.

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

Opinion is the medium between knowledge and ignorance.

Courage, conviction and confidence.

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

With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.

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

In order to stave off covetouness, greed, and spite, citizens world over must be educated.

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

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

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

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

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

Reading without reflecting is like eating without digesting.

In mathematics you don't understand things. You just get used to them.

Dare to think for yourself.

A child educated only at school is an uneducated child.

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

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

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