The one thing the terrorists cannot do -- not one of them, not 10 of them, not 10,000 of them -- they cannot change who we are.

Wouldn't it be great if we could look forward to a whole world in which no child will be left behind?

We are not going to dwell on those things that divide us. We are going to rejoice in those things that keep us together to make this a better country - to reach down and back to touch every young person in need!

Perpetual optimism is a force multiplier.

It is good if your enemy underestimates you. The dumber they think you are the more surprised they are when you kill them.

If a leader doesn't convey passion and intensity then there will be no passion and intensity within the organization and they'll start to fall down and get depressed.

Good leaders set vision, missions, and goals. Great leaders inspire every follower at every level to internalize their purpose, and to understand that their purpose goes far beyond the mere details of their job. When everyone is united in purpose, a positive purpose that serves not only the organization but also, hopefully, the world beyond it, you have a winning team.