All human actions have one or more of these seven causes: chance, nature, compulsion, habit, reason, passion, and desire.

To turn really interesting ideas and fledgling technologies into a company that can continue to innovate for years, it requires a lot of disciplines.

A good liar must have a good memory.

Don't send me flowers when I'm dead. If you like me, send them while I'm alive.

Society is now one polished horde, Formed of two mighty tribes, The Bores and the Bored.

Ladies who play with fire must remember that smoke gets in their eyes.

For a moment, nothing happened. Then, after a second or so, nothing continued to happen.

Deep in the human unconscious is a pervasive need for a logical universe that makes sense. But the real universe is always one step beyond logic.

Enthusiasm... the sustaining power of all great action.

Blessed are the cracked, for they shall let in the light.

I am not ashamed to confess that I am ignorant of what I do not know.

The right of a nation to kill a tyrant in case of necessity can no more be doubted than to hang a robber, or kill a flea.

The death of a beautiful woman, is unquestionably the most poetical topic in the world.

In feature films the director is God; in documentary films God is the director

By desiring little, a poor man makes himself rich.

There is no limit to the amount of good you can do if you don't care who gets the credit.

It ain't over 'til it's over.

Not simply one of the virtues but the form of every virtue at the testing point, which means at the point of highest reality.

The keenest sorrow is to recognize ourselves as the sole cause of all our adversities.

I do not argue with obstinate men. I act in spite of them.

Learn to give, whether you have plenty or little, whether you are happy or in pain.