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

And no one will listen to us until we listen to ourselves.

I think, therefore I am.

It is a wise man that does know the contented man is never poor, whilst the discontented man is never rich.

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

A person who spends more than he earns is a fool

It is a cliche that most cliches are true, but then like most cliches, that cliche is untrue.

What's done can't be undone.

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.

Generosity is giving more than you can, and pride is taking less than you need.

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

He alone is free who lives with free consent under the entire guidance of reason.

When you dance, your purpose is not to get to a certain place on the floor. It's to enjoy each step along the way.

I don't like definitions, but if there is a definition of freedom, it would be when you have control over your reality to transform it, to change it, rather than having it imposed upon you. You can't really ask for more than that.

As the soft yield of water cleaves obstinate stone, So to yield with life solves the insolvable: To yield, I have learned, is to come back again.

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

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

Don't criticize what you don't understand, son. You never walked in that man's shoes.

Great acts are made up of small deeds.

Every aquarium will eventually leak.

Good means not merely not to do wrong, but rather not to desire to do wrong.