Man is the only creature who refuses to be what he is.

The road of excess leads to the palace of wisdom.

What you're thinking is what you're becoming.

If you're happy, don't worry you'll get over it.

The only real mistake is the one from which we learn nothing.

You can be rich in spirit, kindness, love and all those things that you can't put a dollar sign on.

The most certain sign of wisdom is cheerfulness.

The only limit to our realization of tomorrow will be our doubts of today.

A proverb is much matter distilled into few words.

As our case is new, we must think and act anew.

There's no sense in being precise when you don't even know what you're talking about.

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

Between stimulus and response there is a space. In that space is our power to choose our response. In our response lies our growth and our freedom.

One must wait until the evening to see how splendid the day has been.

It is the mark of an educated mind to be able to entertain a thought without accepting it.

Tis very certain the desire of life prolongs it.

I've come to believe that all my past failure and frustration were actually laying the foundation for the understandings that have created the new level of living I now enjoy.

But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.

No man has any natural authority over his fellow men.

One never notices what has been done; one can only see what remains to be done.

A friend to all is a friend to none