I feel relieved that we discovered that Iraq did not have nuclear weapons.

The Nobel Peace Prize is a powerful message. A durable peace is not a single achievement, but an environment, a process and a commitment.

Psychology is as important as substance. If you treat people with respect, they will go out of their way to accommodate you. If you treat them in a patronizing way, they will go out of their way to make your life difficult.

The globalization that has swept away the barriers to the movement of goods, ideas and people has also swept with it barriers that confined and localized security threats.

If the world does not change course, we risk self-destruction.

If we are addressing the issue of weapons of mass destruction, we need to send a uniform, consistent message that there is zero tolerance to any country who is developing weapons of mass destruction, North Korea included.

America is always a good target for a populist. In many countries, particularly authoritarian systems, if you want to get an extra bonus, you bash the Americans.