America needs the best education system in the world. We have it in higher education. We do not have it in general education for all of our people - the K-12 education. Other nations are far, far outdoing the United States in that area. We still have the lead in research, but once again, other nations are pouring more into research also. We still have a lead, but to me it's just very, very important that we keep that lead in basic research.

To sit back and let fate play its hand out and never influence it is not the way man was meant to operate.

We (the DOE) are poisoning our people in the name of national security.

If there is one thing I’ve learned in my years on this planet, it’s that the happiest and most fulfilled people I’ve known are those who devoted themselves to something bigger and more profound than merely their own self interest.

A lot of people ask...why a man is willing to risk... Well, we've got to do it. We're going into an age of exploration that will be bigger than anything the world has ever seen... If a man faces up to the (unknown) and takes the dare of the future, he can have some control over his destiny.

We thought that the odds of things working OK were up in the upper 90 percent or we wouldn't have gone. But the - there were some problems cropped up on the flight but was able to take care of those OK and - although they were things that we hadn't really trained that much for. But it was the time of the Cold War and so there were was a lot of pressure on the - to get going and the Russians were claiming that they were - Soviets were claiming they were ahead of us in technology.

I don't know what you could say about a day in which you have seen four beautiful sunsets.