I would argue that we have a patriotic duty to move toward energy independence and clean energy. It is a matter of national security - energy security, climate security, economic security, job security, everything.

We're now moving into a stage where the green economy isn't just going to be the place for people to spend money. It's going to become a place where a lot more people can earn money, and also save more money. These kind of solutions require collective action and government action. So as an advocate for government change, even somebody like me gets to have a role.

[Donald] Trump phenomenon is just marbles with all this toxic stuff, the misogyny, the outright bigotry and so now people are left to try to pull this apart.

I am sharing my faith with my sons. I pray, meditate and read devotionally. But let me be clear: I am a "person of faith" not because I am a saint, but because I am a sinner.

I am for literally all of the underdogs that I can command and demand better of everyone, including myself.

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.

Little kids sing a song called "America the Beautiful." They sing a song called "This Land Is Your Land, This Land Is My Land." To me, those songs are not just nice little ditties. They are marching orders. They are commandments that we must protect America's beauty from the clear-cutters, the strip-miners, the oil spillers. They are pledges we have made. They are promises to keep.