I am a stranger. I come in peace. Take me to your leader and there will be a massive reward for you in eternity.

I think that it's good for us to be able to travel in space and do research in space, and I emphasize the research, because space travel to me is far more than just seeing how far we can go.

Zero G and I feel fine.

If we could do something that enhances the body's immune system here on Earth, it would be a tremendous step forward in the fight against disease and cancer and other things.

That whole day [ of the space flight] is very vividly impressed on my memory because it was such a new experience. We hadn't done that before. And then I've recalled it so often since then I think that it's a - it's remained very vivid over the past 50 years, seems to me like about a week or two instead of 50 years.

By its very definition, civic responsibility means taking a healthy role in the life of one's community. That means that classroom lessons should be complemented by work outside the classroom. Service-learning does just that, tying community service to academic learning.

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.