What we know is a drop, what we don't know is an ocean.

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

Study without desire spoils the memory, and it retains nothing that it takes in.

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

Industrialize or perish.

The direction in which education starts a man will determine his future in life

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

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

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

The man who is fond of books is usually a man of lofty thought, and elevated opinions.

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

Common sense is the collection of prejudices acquired by age eighteen.

Liberty without Learning is always in peril and Learning without Liberty is always in vain.

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.

If I have seen further it is by standing on the shoulders of Giants.

If you're teaching today what you were teaching five years ago, either the field is dead or you are.

Don't learn to do, but learn in doing.

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

Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.

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

We could never learn to be brave and patient, if there were only joy in the world