Nobody should ever mistake and think that our country [USA] is weakened, or that authority is diffuse and unspecified, and that we are vulnerable.

We cannot continue. Our pension costs and health care costs for our employees are going to bankrupt this city.

The next day after I got fired, literally the next day, I started a new company.

I don't believe that government is good at picking technology, particularly technology that is changing. By the time you get it done and go through democracy, it's so outdated.

I'm worried about the world because of nuclear proliferation.

In 1975, Congress passed a law requiring fuel efficiency standards to double over 10 years, with incremental targets that auto manufacturers were required to meet. That was the responsible approach, and it worked. But since 1985, we've done nothing - even as technology has moved at light speed.

I've got the greatest job in the world. There's no other job in government where cause and effect is so tightly coupled where you can make a difference every day in so many different ways and in so many different people's lives. It's a great challenge.