American greatness was elevated significantly after Sputnik.

I think the climate has been changing for billions of years.

Sweat the small stuff. Without letting anyone see you sweat.

Tiangong 1, our home in space, was comfortable and pleasant.

It's a great view from here. I'm having the time of my life.

That's one small step for a man, one giant leap for mankind.

One of the great things about the universe is that it's fair.

From space, the Bahamas is the most beautiful place on Earth.

I'm coming back in... and it's the saddest moment of my life.

This is one small step for a man, one giant leap for mankind.

I grew up in a country that I thought was special. And it was.

Becoming an astronaut was a little bit of happenstance for me.

I find color schemes that I just like and that just feel right.

Going to Mars would evolve humankind into a two-planet species.

Focus on the journey, not on arriving at a certain destination.

Almost everything worthwhile carries with it some sort of risk.

Opportunities will be available to you that you cannot imagine.

Look at what Silicon Valley has done - the advance of computers.

I grew up in New Jersey and never went up the Statue of Liberty.

Capitalism without bankruptcy is like Christianity without hell.

Don't get bogged down by the notion of limits. There aren't any.

A mind concerned about danger is a clouded mind. It's paralyzing.

Unfortunately, pioneers will always pave the way with sacrifices.

I don't know of any issues associated with alcohol before flight.

I've always been very determined. I don't get easily discouraged.

A picture does a great job, but it's not nearly like being there.

America must dream again, and have the faith to achieve the dream.

I felt pretty confident in relieving myself, since I had the urge.

The Earth from here is a grand oasis in the big vastness of space.

Kids, help your parents if they don't know how to use a smartphone.

People communicate in Twittering ways. I've learned how to do that.

Every couple of years, we could dispatch people from Earth to Mars.

Those folks out in the space suits are going to be getting beat up.

I knew I was alone in a way that no earthling has ever been before.

Damn I really did it. I blew the first words on the moon, didn't I?

I don't watch 'American Idol,' but I wouldn't call it 'undignified.'

I wasn’t destined to be an astronaut. I had to turn myself into one.

Well, for me it really wasn't a case of deciding to be an astronaut.

Man must understand his universe in order to understand his destiny.

The International Space Station is a great place to live for a year.

The final frontier may be human relationships, one person to another.

We can't start over and develop a Saturn 5-type vehicle from scratch.

Space tourism is a logical outgrowth of the adventure tourist market.

Earth is a small town with many neighborhoods in a very big universe.

Satisfying curiosity ranks No. 2 in my book behind conquering a fear.

Pioneering in space was something I would willingly give my life for.

There should be an international lunar base. That is certainly doable.

I don't think of myself as being a woman and having anything to prove.

If you want to do something, what does it matter where you are ranked?

I believe in persevering. If you persevere, success lies ahead of you.

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