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No, I think most astronauts recognize that the space shuttle program is very high-risk, and are prepared for accidents.

I think the people that want to fly in space, who want to work in space, who want to go to station, these people realize that there is a risk inherent to what they do. They understand that there are possible off-nominal situations, dangerous situations in space, and there's no insurance against that.

On Earth, men and women are taking the same risks. Why shouldn't we be taking the same risks in space?

Risks are a measure of people. People who don't take them are trying to preserve what they have. Some risks have a future, and some people call them wrong. But being right may be like walking backwards, proving where you've been.

After the loss of Columbia a couple of years ago, I think we were reminded of the risk. All of us, though, have always known that the Space Shuttle is a very risky vehicle, much more risky than even flying airplanes in combat.

Risk more than others think safe.

Often you need to take some risk, but it must be a realistic risk, you can't take a crazy risk.

There is something attractive about taking risks.

There are lots of risks, but without risks, there's no reward. I think the reward is bigger than the risk.

If you don't risk anything, you risk even more.