Muslim leaders around the globe have to continue working with us to decisively and unequivocally reject the hateful ideology that groups like ISIL and al Qaeda promote. To speak out against not just acts of violence, but also those interpretations of Islam that are incompatible with the values of religious tolerance, mutual respect, and human dignity.

We've got to identify new strategies to use cleaner energy, because that is a recipe for reducing the overall amount of pollution that's out there.

There are folks who will equivocate. They'll say, 'You know, I'm not a scientist.' Well, I'm not either. But the best scientists in the world know that climate change is happening.

If we are truly created equal than truly the love we commit to one another must be equal as well, this ruling will strengthen all of our communities by offering to all same sex couples the dignity of marriage across this great land.

Michelle, I love you. The other night, I think the entire country saw just how lucky I am. Malia and Sasha, you make me so proud…but don't get any ideas, you're still going to class tomorrow. And Joe Biden, thank you for being the best Vice President I could ever hope for.

I never understood that line. The point was to inhale. That was the point.

Here's the truth: even if countries like the United States curb our emissions, if growing countries like India - with soaring energy needs - don't also embrace cleaner fuels, then we don't stand a chance against climate change.