If we do nothing, the ensuing climate catastrophe will wreck our economy - including wreaking havoc on our food production systems. All credible scientists agree on this point.

I learned more in those six months [ in the White House] than in the prior six years. I don't think that anybody who has had the privilege to serve the country at that level should walk out and behave like a crybaby. And I plan to continue to serve the country in other capacities.

You know it's not "you have to see it to believe it" - sometimes you have to believe it to see it. You have to know what you're looking for when you're seeing signs of an authoritarian takeover of your country.

It is the Muslim community that has the best chance of stopping and checking and pushing back on people who are trying to politicize their own faith. So this attack on Islam is an attack on a great faith. It undermines the people who are trying to rescue this faith from these horrible people. It endangers every human being on earth because it accelerates the radicalization of some and emboldens the worst elements of that faith. So this fight is a fight I think that we have to take on.

We just want government to be a smart, supportive, reliable partner to the forces that are working for good in this country.

The problem that we have is that most Americans don't even study American history, let alone Pinochet, Mussolini, Hitler, Stalin and all these guys.

Every person with a pulse has a responsibility to stand in solidarity with the Muslim community that is on the front lines fighting against groups like ISIS, both militarily and ideologically, every day, and now on the front line of standing up for civil liberties and civil rights to make America great. [They] are the best insurance for the safety of all Americans.