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.

Never give up on your dreams.

We've endured too many tragedies. And each time I learn the news I react not as a President, but as anybody else would - as a parent.

Today, about 40 percent of America's carbon pollution comes from our power plants. There are no federal limits to the amount those plants can pump into the air. None. We limit the amount of toxic chemicals like mercury, and sulfur, and arsenic in our air and water, but power plants can dump as much carbon pollution into our atmosphere as they want. It's not smart, it's not right, it's not safe, and I determined it needs to stop.

We are the party of Roosevelt. We are the party of Kennedy. So don't tell me that Democrats won't defend this country. Don't tell me that Democrats won't keep us safe.

Shaykh Bin Bayyah described his purpose. We must declare war on war so the outcome will be peace upon peace.

Lincoln basically pulled in all the people who had been running against him into his Cabinet because, whatever personal feelings there were, the issue was 'How can we get this country through this time of crisis?'