Those who know, do. Those that understand, teach.

If I speak of myself in different ways, that is because I look at myself in different ways.

If we don't believe in freedom of expression for people we despise, we don't believe in it at all.

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

To a wise and good man the whole earth is his fatherland.

If you don't behave as you believe, you will end by believing as you behave.

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

Reflect upon your present blessings, of which every man has many; not on your past misfortunes, of which all men have some.

I think, therefore I am.

Where there is anger, there is always pain underneath.

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

We never see ourselves as others see us.

The path to success is to take massive, determined action.

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

The greatest of all mistakes is to do nothing because you think you can only do a little

Desire is the very essence of man.

One who gains strength by overcoming obstacles possesses the only strength which can overcome adversity.

Creativity is the process of having original ideas that have value.

Fine clothes may disguise, but silly words will disclose a fool.

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

Act enthusiastic and you will be enthusiastic