What we should be doing [in US] is accelerating every year our efforts to reduce our greenhouse gas emissions, have a cleaner energy future, have much more energy conservation. And this won't hurt anybody. This will create a new economy for America, if we've got the discipline to do it.

Behind every great man there stands a great woman. Behind every great woman is a great behind.

Nothing big ever came from being small.

The good news is you can get a lot of information off the Internet for free and in a hurry. But I think the breaking up of the media, which is otherwise kind of healthy, has contributed to less actual reporting and a louder, more contentious, more divisive public discourse, highlighting conflict, sometimes falsely.

Our campaign is the opposite of 'competence.'

More people can be great leaders than think they can, but they need a purpose greater than themselves.

Democracies don't go to war against each other, and by and large they don't sponsor terrorism. They're more likely to respect the environment and human rights and social justice. It's no accident that most of the terrorists come from non-democratic countries.