When you have energy companies like Shell and British Petroleum, both of which are perhaps represented in this room, saying there is a problem with excess carbon dioxide emission, I think we ought to listen.

Sometimes you move publicly, sometimes privately. Sometimes quietly, sometimes at the top of your voice.

Never let the other fellow set the agenda.

You talk to your enemies, not just your friends.

Who could not be moved by the sight of that poor, demoralized rabble, outwitted, outflanked, outmanoeuvered by the U.S. military? Yet, given time, I think the press will bounce back.

I understand personally, ... that it is frustrating to lose presidential elections by narrow margins.

Machines are neither Republicans nor Democrats and therefore can never be consciously or even unconsciously biased.