There is a sense of feeling larger than your own life when you're in some common mission together. You have to hope it's not going to take a war to bring that back to America again. I think another time when it seemed to be here was in the early 1960s.

I think some people who go into public life, if they go in needing the applause of thousands, they're never going to work out successfully in the end, because they don't know who they are apart from the crowds.

Good leadership requires you to surround yourself with people of diverse perspectives who can disagree with you without fear of retaliation.

You can be enormously effective for a period of time, because it's almost like there's an engine in you that needs to keep going, and you have a greater drive than other people - who may be more happy and balanced in life - because you have to keep going out and proving yourself over and over again.

Politicians generally form alliances and not friendships. Individuals and institutions achieve their ends through continual barter. But deals are not bonds. Indeed, intense emotional involvement with anything - with issues, ideology, a woman, even a family - can be a handicap, not only consuming valuable time, but more importantly, reducing flexibility and the capacity for detached calculation needed to take maximum advantage of continually changing circumstances.

People will love him (Theodore Roosevelt) for the enemies he has made.

My books are written with a strong chronological spine.