"I've always enjoyed traveling and having experience with different cultures and different people. But it's also a wonderful thing to be able to benefit and enable research, not only in our country but around the world."

"It's such a long mission and we get to spend so much time in space... we're doing such exciting research. And I don't want to overemphasize the life science research, but as a physician the life science research that we're doing is extremely exciting."

"The Navy's paid for you to go through school, and then they need doctors to go out and take care of people who are in various different parts of the world. I decided to pay back my time first as an undersea medical officer. I was stationed in Scotland."

"Science, for hundreds of years, has spanned the differences between cultures and between countries."

"I belong to quite a lot of learned societies. We collect firearms and discuss them at dinners and clubs and things."

"The only thing better than singing is more singing."

"It is the malady of our age that the young are so busy teaching us that they have no time left to learn."

"It's just us trying to start a movement where everybody passes on a bit of cooking knowledge. We estimate that one person can potentially affect 180 others very quickly so we're just trying to spread the word."