What we may think is funny or cute may end up being powerfully hurtful.

A low-carbon, clean energy economy can be an engine of growth for decades to come.

I don't welcome leaks. There's a reason why these programs are classified.

As I've said, there were patriots who supported this war, and patriots who opposed it. And all of us are united in appreciation for our servicemen and women, and our hopes for Iraqis' future.

Sustaining the energy and focus involved in doing a good job I think starts to - starts to gets tougher the longer you do it.

I think what you're seeing is a profound recognition on the part of the American people that gays and lesbians and transgender persons are our brothers, our sisters, our children, our cousins, our friends, our co-workers, and that they've got to be treated like every other American. And I think that principle will win out.

It is the kindness to take in a stranger when the levees break; the selflessness of workers who would rather cut their hours than see a friend lose their job which sees us through our darkest hours. It is the firefighter's courage to storm a stairway filled with smoke, but also a parent's willingness to nurture a child, that finally decides our fate.