You have to wake up every day ready to start again.

My own advice to people who would be in office for two or three terms is that they must accept democratic rotation. Ideally not put themselves up for re-election and allow the system to work.

The Lord had the wonderful advantage of being able to work alone.

In some ways, the challenges are even more daunting than they were at the peak of the cold war. Not only do we continue to face grave nuclear threats, but those threats are being compounded by new weapons developments, new violence within States and new challenges to the rule of law.

My intimate knowledge of the [UN] system allowed me to get things done despite the many obstacles.

Perhaps the single most successful international agreement to date has been the Montreal Protocol.

Reform is a process, and not an event.