To go into a competition and not strive to win is to be a dishonest competitor.

To know oneself is to disbelieve utopia.

Ending torture and tyranny in Iraq was not a mistake. Supporting democracy in Iraq is not a mistake. Helping the long-suffering Muslims of Iraq who now seek to live democratically is not a mistake. In the long, long history of the Middle East, this breakthrough may one day be ranked as a dramatic turning point in regional history.

There is an alternative to terror. It is called, in the political order, democracy. In the economic order, it is called the dynamic enterprise economy. (...) It empowers poor people from the bottom up. (...) A dynamic economic sector is the poor's best hope of escaping the prison of poverty. It is the only system so far known to human beings to take poor people and make them, quite soon, middle class, and some of them even (horrors!) rich.

Our Founders always wondered about how long it would last. The price of liberty is everlasting vigilance. You've got to be on your guard every minute or you will lose it.

Granted that I must die, how shall I live?

Everything I do that I'm enthusiastic about. This is genuine enthusiasm. If I don't - I mean I've done other projects that I have not been a fan of until I realized I was doing it and I wasn't really there. And I don't do those anymore.