All that we know is nothing can be known.

The only true wisdom is in knowing you know nothing.

Falling down is not a failure. Failure comes when you stay where you have fallen.

When the debate is lost, slander becomes the tool of the loser.

The secret of happiness, you see, is not found in seeking more, but in developing the capacity to enjoy less.

I know that I am intelligent, because I know that I know nothing.

Awareness of ignorance is the beginning of wisdom.

There is no possession more valuable than a good and faithful friend.

True wisdom comes to each of us when we realize how little we understand about life, ourselves, and the world around us.

If you want to be wrong then follow the masses.

I am a Citizen of the World, and my Nationality is Goodwill.

I never wanted to be the most famous, the most beautiful, the most extravagant.

Fine phrases I value more than bank-notes. I have ear for no other harmony than the harmony of words. To be occasionally quoted is the only fame I care for.

Eternity is the sun mixed with the sea

Silence is exhilarating at first - as noise is - but there is a sweetness to silence outlasting exhilaration, akin to the sweetness of listening and the velvet of sleep.

The essence of all health begins through joyful living.

The God of metaphysics is but an idea. But the God of religion, the Maker of heaven and earth, the sovereign Judge of actions and thoughts, is a power.

You know only insofar as you can measure.

I see my pops everyday and that's what I wanted.

I never thought of myself as a mogul, but it's really great to be in that position.

To my father, business was the highest calling, but to my mother, medicine was the top profession.