I am so clever that sometimes I don't understand a single word of what I am saying.

A little knowledge that acts is worth infinitely more than much knowledge that is idle.

Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.

The first principle is that you must not fool yourself and you are the easiest person to fool.

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

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

Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.

Education is the most powerful weapon which you can use to change the world.

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

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.

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

Knowing is not enough; we must apply. Willing is not enough; we must do.

Don't worry that children never listen to you; worry that they are always watching you.

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

If help and salvation are to come, they can only come from the children, for the children are the makers of men.

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.

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

Dare to think for yourself.

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

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

An investment in knowledge pays the best interest.