If you come from a wealthy country with open borders, unless you seriously believe you can kill, imprison or occupy all your enemies, you have to make a world with more friends and fewer enemies - with more partners and fewer terrorists.

On Bill Clinton: I have a simple question: Who's the last President to give you a balanced budget?

The secret to living a full life with no regrets and to staying young is to figure out what you believe in and fight for it. If you lose, don't give up. If you win, raise the bar, and then rare back and do something else. And remember that, with the accumulation of years, our responsibilities to the future grow greater, not less.

Saddam Hussein didn't kill 3,100 people on Sept. 11. Osama bin Laden did, and as far as we know he's still alive.

Success is not the measure of a man but a triumph over those who choose to hold him back.

I believe that a worthwhile life is defined by a kind of spiritual journey and a sense of obligation.

Leadership means bringing people together in pursuit of a common cause, developing a plan to achieve it, and staying with it until the goal is achieved.