Stubborn and ardent clinging to one's opinion is the best proof of stupidity.

Beauty is not in the face; beauty is a light in the heart.

There are four ways, and only four ways, in which we have contact with the world. We are evaluated and classified by these four contacts: what we do, how we look, what we say, and how we say it.

A person reveals his character by nothing so clearly as the joke he resents.

I mistrust the judgement of every man in a case in which his own wishes are concerned.

He who is slowest in making a promise is most faithful in its performance.

If you don't behave as you believe, you will end by believing as you behave.

If we can really understand the problem, the answer will come out of it, because the answer is not separate from the problem.

There's no sense in being precise when you don't even know what you're talking about.

Realize deeply that the present moment is all you ever have.

Happiness is not an ideal of reason, but of imagination.

To do great things is difficult, but to command great things is more difficult.

The most courageous act is still to think for yourself. Aloud.

Having a great intellect is no path to being happy.

It’s your road and yours alone. Others may walk it with you, but no one can walk it for you.

Knowing yourself is the beginning of all wisdom.

Be curious, not judgmental.

The greatest deception men suffer is from their own opinions.

Common sense is in spite of, not as the result of education.

Men become wise just as they become rich, more by what they save than by what they receive.

Where there is anger, there is always pain underneath.