In our culture, security has become an obsession.

There's no such thing as useless knowledge. You never know what doors it's going to open up for you.

Corporations are not in business to be social-welfare organizations; they are there to make money.

It's very difficult to speak to a large group of people these days and not offend someone.

We recognize that North Korea is in severe financial straits, and they have decided to use their resources to build their military, rather than to feed their people and to take care of the various humanitarian responsibilities that they have.

Maybe that is the best lesson I learned in my first semester at Yale, because if I had gone to a less-demanding school and continued to sail along on the top, I am sure I would never have attained the subsequent achievements in my life.

I was asked by an NPR reporter once, why don't I talk about race that often. I said it's because I'm a neurosurgeon. And she thought that was a strange response. And you say - I said, you see, when I take someone to the operating room, I'm actually operating on the thing that makes them who they are. The skin doesn't make them who they are.