Don't criticize what you can't understand.

I am a lover of truth, a worshipper of freedom, a celebrant at the altar of language and purity and tolerance.

Compassion is the basis of morality.

Where wisdom reigns, there is no conflict between thinking and feeling.

There is a wisdom of the head, and... there is a wisdom of the heart.

You laugh at me because I'm different, I laugh at you because you're all the same.

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

What's done can't be undone.

Never argue with an idiot. They drag you down to their level and then beat you with experience.

Time wounds all heels.

It is better to be looked over than overlooked.

It is man that makes truth great, not truth that makes man great.

Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.

Intelligence is the ability to adapt to change.

The impossible could not have happened, therefore the impossible must be possible in spite of appearances.

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

If you only read the books that everyone else is reading, you can only think what everyone else is thinking.

Those who dance are considered insane by those who cannot hear the music.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

Having a great intellect is no path to being happy.

Experience is merely the name men gave to their mistakes.