The only real laughter comes from despair.

Courage is resistance to fear, mastery of fear - not absence of fear.

Fear doesn't exist anywhere except in the mind.

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

There is no question climate change is happening. The only arguable point is what part humans are playing in it.

It is always advisable to perceive clearly our ignorance.

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

The pendulum of the mind oscillates between sense and nonsense, not between right and wrong.

If you don't know where you're from, you'll have a hard time saying where you're going.

Every intelligent individual wants to know what makes him tick, and yet is at once fascinated and frustrated by the fact that oneself is the most difficult of all things to know.

I dream. Sometimes I think that's the only right thing to do.

Achievement brings its own anticlimax.

Good advice is always certain to be ignored, but that's no reason not to give it.

One who deceives will always find those who allow themselves to be deceived.

Chaos is a name for any order that produces confusion in our minds.

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

When you judge another, you do not define them, you define yourself.

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

Learned we may be with another man's learning: we can only be wise with wisdom of our own.

A man may imagine things that are false, but he can only understand things that are true.

It is necessary to keep one's compass in one's eyes and not in the hand, for the hands execute, but the eye judges.