Once a month I play with a chamber music quartet. I play almost no solo music anymore because I so enjoy the interaction. The members of my quartet have become some of my best friends and so I really enjoy it now in ways that I didn't before.

Great leaders never accept the world as it was and always work for the world as it should be

Arnold Rampersad is a really good person. A really good person. As a matter of fact, he came to Stanford when I was Provost.

As Americans we like to believe that we're loved in international politics or that people like what we're doing. But we also recognize that we have an extraordinary responsibility to do what we think is right, and that sometimes what we do is not very popular.

I think America is still a bright, shining city on the hill - not because we're perfect but because we struggle in our imperfections every day.

NATO is built on security, but it's also built on values.

Everybody in the world is capable of democratic development. Some people in the world are unlucky enough to get stuck with really bad political leadership and with really bad political institutions.