All of us share this world for but a brief moment in time. The question is whether we spend that time focused on what pushes us apart, or whether we commit ourselves to an effort -- a sustained effort -- to find common ground, to focus on the future we seek for our children, and to respect the dignity of all human beings.

This is my last election. After my election, I have more flexibility.

I know that there are those who disagree with the overwhelming scientific evidence on climate change. But here's the thing -- even if you doubt the evidence, providing incentives for energy-efficien cy and clean energy are the right thing to do for our future -- because the nation that leads the clean energy economy will be the nation that leads the global economy. And America must be that nation.

One of the proudest things of my three years in office is helping to restore a sense of respect for America around the world.

The emotions between the races could never be pure; even love was tarnished by the desire to find in the other some element that was missing in ourselves. Whether we sought out our demons or salvation, the other race would always remain just that: menacing, alien, and apart.

There are places and moments in America where this nation’s destiny has been decided...Selma is such a place.

You know, in college, I smoked a little pot, did a little blow.