Because of the internet and communications, the clash of cultures is much more direct. People feel, I think, less certain about their identity, less certain about economic security.

Every three weeks, we bring online as much solar power as we did in all of 2008...That’s why, over the past six years, we’ve done more than ever before to combat climate change, from the way we produce energy, to the way we use it.

I see tragedy and comedy and pain and irony and all that stuff. But in the end I think life is fascinating, and I think people are more good than bad, and I think that the possibilities of prog­ress are real.

America is much less violent than it was 20, 30 years ago, and immigration is much less a problem than it was not just 20, 30 years ago, but when I came in as president.

America does not presume to know what is best for everyone

The Greek people are entrepreneurial.

Some of Donald Trump's gifts that obviously allowed him to execute one of the biggest political upsets in history, those are ones that hopefully he will put to good use on behalf of all the American people.