“Fear connotes something that interferes with what youre doing.”

“Love is a combination of friendship, passion, and respect.”

“To look out at this kind of creation out here and not believe in God is to me impossible.”

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

“The best space movie in my view is 'Apollo 13.' That's just the way it happened.”

“I can't say I've ever had a dream about space or that I ponder it all the time.”

“Of the two powers, the two categories that take possession of us when we enter the world, space is by far the less mysterious. . . . Space is, after all, solid, monolithic. . . . Time, on the other...”

“The Earth is a very small stage in a vast cosmic arena. Think of the rivers of blood spilled by all those generals and emperors so that, in glory and triumph, they could become the momentary master...”

“A human being is a part of the whole, called by us "Universe", a part limited in time and space.”

“I think it's going to be a very important, unique data set in terms of measuring the behavior of your lower body in space and trying to figure out what we can do to preserve bone and muscle density.”

“Biology is the science. Evolution is the concept that makes biology unique.”

“As a unique person, I was bullied badly as a teen.”

“Highly organized research is guaranteed to produce nothing new.”

“Cutting off fundamental, curiosity-driven science is like eating the seed corn. We may have a little more to eat next winter but what will we plant so we and our children will have enough to get th...”

“Research is the process of going up alleys to see if they are blind.”