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

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

Opinion is the medium between knowledge and ignorance.

The first idea the child must acquire is that of the difference between good and evil.

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.

The task of a writer is not to solve the problem but to state the problem correctly.

God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.

Industrialize or perish.

An investment in knowledge pays the best interest.

A witty saying proves nothing.

Seek knowledge from the cradle to the grave.

There is nothing more awful, insulting, and depressing than banality.

I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion

One test of the correctness of educational procedure is the happiness of the child.

To every action there is always an equal and opposite or contrary, reaction

Dare to think for yourself.

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.

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

Most people have never learned that one of the main aims in life is to enjoy it.

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

A little knowledge is a dangerous thing. So is a lot.