America should find its interests in ways which are more consistent with the interests of other countries, which are things that are good for us but also good for others. That will make Americans exporters of hope again, not exporters of fear.

Every politician just has to remember how he got his position in the first place. A young candidate running for Congress or any outsider interested in public office could only achieve his goals by relying on soft power. They could not force anyone to vote for them. They needed to convince their potential voters, they needed to do fundraising, they needed to be attractive candidates.

Terrorism is like jujitsu: The small players win if they make the large player use his strength against himself.

Power is the ability to affect others to get the outcomes you want, and that can be done by coercion, payment or attraction.

As we think of power in the 21st century, we want to get away from the idea that power’s always zero sum — my gain is your loss and vice versa. Power can also be positive sum, where your gain can be my gain.

In the information age, it's not just whose army wins, but whose story wins.

Leadership experts and the public alike extol the virtues of transformational leaders - those who set out bold objectives and take risks to change the world. We tend to downplay 'transactional' leaders, whose goals are more modest, as mere managers.