The best example of all, to me, that our problems are both personal and cultural and political and social is the whole condition of the middle class economically.

When I was in England, I experimented with marijuana a time or two, and I didn’t like it, and I didn’t inhale, and I never tried again.

The earth is warming at an alarming rate, we are running out of fossil fuels, and it is long past time for us to take action to correct these problems.

It is pretty hard to talk about responsibility unless you have exercised it yourself.

Just try to imagine what it would be like to be 300 million years old.

I don't think the Republicans can damage my character

People can quarrel with whether we should have more troops in Afghanistan or internationalize Iraq or whatever, but it is incontestable that on the day I left office, there were unaccounted for stocks of biological and chemical weapons.