Four years ago nobody but nuclear physicists had ever heard of the Internet. Today even my cat, Socks, has his own web page. I'm amazed at that. I meet kids all the time, been talking to my cat on the Internet.

I am fascinated by this partnership between Lady Gaga and Tony Bennett. It's magic and I love it.

I always get nervous when people start talking about legacies.

So much of modern politics is focused not on honest differences of policy but on personal attacks.

I never thought of political endeavors primarily in terms of power and prestige, and I never thought of economic endeavors primarily in terms of wealth and position.

Shakespeare wrote, Einstein thought, Ataturk built.

No generation has had the opportunity, as we now have, to build a global economy that leaves no-one behind. It is a wonderful opportunity, but also a profound responsibility.