You talk to your enemies, not just your friends.

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.

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.

This is what happens, when, for the first time in modern history, a candidate resorts to lawsuits to try to overturn the outcome of an election for president.

Sometimes an active policy is best advanced by doing nothing until the right time - or never.

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

You don't need to know who's playing on the White House tennis court to be a good president