Our intelligence agencies will continue to gather information about the intentions of governments - as opposed to ordinary citizens - around the world, in the same way that the intelligence services of every other nation does. We will not apologize simply because our services may be more effective.

In Iraq and Syria, American leadership - including our military power - is stopping ISIL's advance, instead of getting dragged into another ground war in the Middle East, we are leading a broad coalition, including Arab nations, to degrade and ultimately destroy this terrorist group.

You might not be ready for diplomacy with Beijing if you can't visit the Olympics without insulting our closest ally.

Today we're seeing that climate change is about more than a few unseasonably mild winters or hot summers. It's about the chain of natural catastrophes and devastating weather patterns that global warming is beginning to set off around the world.. the frequency and intensity of which are breaking records thousands of years old.

There's no reason why Americans should die when Afghans are perfectly capable of defending their own country.

If you've got a business, you didn't build that. Somebody else made that happen.

We need more responsibility, but we need it not just when there's a crisis. I mean, we've had years in which the reigning economic ideology has been what's good for Wall Street, but not what's good for Main Street.