It is hard to fight desire; but to control it is the sign of a reasonable man.

Only idiots refuse to change their minds.

Respect yourself if you would have others respect you.

A person who spends more than he earns is a fool

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

There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.

It is tact that is golden, not silence.

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

Challenges are gifts that force us to search for a new center of gravity. Don't fight them. Just find a new way to stand.

Promises are like crying babies in a theater, they should be carried out at once.

All that we see or seem is but a dream within a dream.

Criticize the act, not the person.

Above all be of single aim; have a legitimate and useful purpose, and devote yourself unreservedly to it.

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

How often I found where I should be going only by setting out for somewhere else.

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

Nothing fixes a thing so intensely in the memory as the wish to forget it.

Stupidity is a talent for misconception.

The lie is a condition of life.

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

Beer: The cause of, and solution to, all of life's problems.