Most of the major mistakes I made in my life, I made when I was too tired to know what I was doing - both personally and professionally.

The most ethical administration in the history of the Republic.

I have news for the forces of greed and the defenders of the status quo: your time has come - and gone. It's time for change in America.

The only preparation for prospering in the global economy is investing in ourselves.

The era of big government is over, but the era of big challenge is not. We need an era of big citizenship. There are many important people at this summit, but the most important title is 'citizen.' This is our republic. Let us keep it!

A world without walls is the only sustainable world. . . . If the world is dominated by people who believe that their races, their religions, their ethnic differences are the most important factors, then a huge number of people will perish in this century.

Any poll is a picture of an unfinished horse race except the Election Day polls.