During the sole argument we had when [Chelsea] was in high school, the subject of which I don't even remember, I looked at her and said, 'As long as you're in this house, being president is my second most important job'.

The struggle for your own character is the struggle for the nation's character.

I did a lot of work on energy efficiency at the White House. By the time I left we had taken the equivalent of six hundred cars a year off the road in reduced greenhouse gas emissions just in the White House complex.

41, you look great. Love what you're doing.

If there's grass in the field, play ball!

I don't like to use the word sacrifice.

Americans - not just starting thirty years ago but going back to the beginning, when we were rebelling against King George - we've always been of two minds about the government, which is why the framers wrote the Constitution the way they did.