I spent many years laughing at Harry Secombe's singing until somebody told me that it wasn't a joke.

As I kept having episodes of depression, I realized that it was not a one-off: that I had, well, not a disease, really - more an illness.

Three secrets to success: Be willing to learn new things. Be able to assimilate new information quickly. Be able to get along with and work with other people.

Well, we spend an awful lot of our time working and doing experiments. It’s very busy up on the shuttle.

There might be very primitive life in our solar system—single-cell animals, that sort of thing.

The experience of being in space didn’t change my perspective of myself or of the planet or of life. I had no spiritual experience.

There are lots of opportunities out there for women to work in these fields. Girls just need support, encouragement, and mentoring to follow through with the sciences.

I was always very interested in science, and I knew that for me, science was a better long-term career than tennis. So I decided on science when I was in college.

I suggest taking a high road and a little sense of humor and let things roll off your back. I think that's very important.

The fact that I was going to be the first American woman to go into space carried huge expectations along with it.

And God said, 'Let there be light' and there was light, but the Electricity Board said He would have to wait until Thursday to be connected.