My fellow Americans, we are and always will be a nation of immigrants. We were strangers once, too.

During the course of my presidency crime has been the lowest it's been probably since the '60s. Butyou wouldn't know it if you were watching TV or looking at the internet, and you certainly wouldn't know it, listening to this past [Donald Trump's] campaign.

There are a lot of very religious scientists around. I think the problem here is that in our school systems, and to some degree - and this is where it is relevant - with school boards around the country that are mandating curriculums and textbooks, you start seeing this weird watering down of scientific fact so that our kids are growing up in an environment - and this connects to what I was saying earlier abou the media - where everything's contested. Where nothing is true.

[When I ordered 30,000 more troops into Afghanistan] that was the first time in which I looked out at a crowd of West Point graduates and knew that some of those might not come back because of that decision.

We can be civil to each other, and we can try to express ourselves acknowledging that we're all patriots, we're all Americans, and not assume the absolute worst in people's motives.

Good afternoon, everybody-ugh, Jesus, gimme a sec.

When we think of the major threats to our national security, the first to come to mind are nuclear proliferation, rogue states and global terrorism. But another kind of threat lurks beyond our shores, one from nature, not humans - an avian flu pandemic.