Always do your best. Somebody is watching you.

Some people naturally have a sense of empathy and an understanding of how to bring their followers to do things. They become great politicians.

The less you associate with some people, the more your life will improve. Any time you tolerate mediocrity in others, it increases your mediocrity. An important attribute in successful people is their impatience with negative thinking and negative acting people.

Our model of politics is one that it is inclusive of all members of the society; all should be represented. That is the nature of our democracy.

We all hoped in 2001 that we could put in place an Afghan government under President Karzai that would be able to control the country, make sure al-Qaeda didn't come back, and make sure the Taliban wasn't resurging. It didn't work out.

Thee are such horrible weapons. And so no sane leader would ever want to cross that line to using nuclear weapons. And, if you are not going to cross that line, then these things are basically useless.

One of the fondest expressions around is that we can't be the world's policeman. But guess who gets called when suddenly someone needs a cop.