The world only makes sense to me given my life and my background if, in fact, we're not just an assortment of tribes that can never understand each other, but that we're, rather, one common humanity that can meet and learn and love each other.

If we're going to prevent large parts of this Earth from becoming not only inhospitable but uninhabitable in our lifetimes, we're going to have to keep some fossil fuels in the ground rather than burn them and release more dangerous pollution into the sky.

We will respond to the threat of climate change

The problem with all these tired excuses for inaction is that it suggests a fundamental lack of faith in American business and American ingenuity.

Ours is not the first generation to understand the dire need for health reform. And I am not the first president to take up this cause, but I am determined to be the last.

I don`t think the Donald Trump`s qualified to be president of the United States, and every time he speaks, that opinion is confirmed.

We wouldn't even be where we are had it not been that 70% of Hispanics voted for President Obama, voted Democratic in the last election. That caused an epiphany in the Senate, that's for sure. So all of a sudden we have already passed comprehensive immigration reform in the Senate. That's a big victory.