Don't compromise yourself. You are all you've got.

It is neither good nor bad, but thinking makes it so.

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

Gravity is only the bark of wisdom's tree; but it preserves it

There are no eternal facts, as there are no absolute truths.

It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.

All differences in this world are of degree, and not of kind, because oneness is the secret of everything.

Rational discussion is useful only when there is a significant base of shared assumptions.

The only way to get the best of an argument is to avoid it.

For beautiful eyes, look for the good in others; for beautiful lips, speak only words of kindness; and for poise, walk with the knowledge that you are never alone.

Medicine heals diseases of the body, wisdom frees the soul from passions.

The lie is a condition of life.

Nobody made a greater mistake than he who did nothing because he could do only a little.

Compassion is the basis of morality.

Whatever you think the world is withholding from you, you are withholding from the world.

There are two educations. One should teach us how to make a living and the other how to live.

If you don't want to slip up tomorrow, speak the truth today.

To a wise and good man the whole earth is his fatherland.

There are no limitations to the mind except those we acknowledge.

It has seemed to be more necessary to have regard to the weight of words rather than to their number.

It is easy to be brave at a safe distance.