There is no greater education than one that is self-driven.

I've accomplished enough in life so that I do not fear death.

Not only do we live among the stars, the stars live within us.

There's no denying the public's appetite for cosmic discovery.

Follow the evidence wherever it leads, and question everything.

It's better to understand something than to memorize something.

We need to look at NASA, not as a handout, but as an investment.

In life and in the universe it's always best to keep looking up.

The dinosaurs never saw that asteroid coming. What's our excuse?

The Earth is just one place of many that we could hang our hats.

You don't take a dead cat to the vet. I mean you might, but why?

Deep in the world of atomic nuclei, life is not always tranquil.

All the nine-planet people out there: Get over it. There's eight.

Also, where does your identity come from? Your memory, of course.

In the end, it's the people who are curious who change the world.

As areas of knowledge grow, so too do the perimeters of ignorance.

I don't see why there is no intelligent alien life in the universe.

95, 96 percent of all that drives the universe has no known origin.

Our five senses are faulty data-taking devices, and they need help.

The worst thing that ever happened to America was the 19th Amendment.

Wanting to do one thing can require that you take on other interests.

I bought it, I read it, and I heeded its advice. I remain unabducted.

Rational thoughts never drive people's creativity the way emotions do.

What do you call those knobby things on doors that help you open them?

'Boldly going where hundreds have gone before' does not make headlines.

There are no articles any more that dream about the cities of tomorrow.

When you are a hammer, all of your problems will look like nails to you.

Hunting for meteorites is like trying to find a pebble on miles of beach.

I get enormous satisfaction from knowing I'm doing something for society.

Feeling a little small? Well, in the context of the cosmos, we are small.

Give a kid a book, and you change the world. In a way, even the universe.

The theory of evolution, like the theory of gravity, is a scientific fact.

Space only becomes ordinary when the frontier is no longer being breached.

The first trillionaire in the world will be the person who mines asteroids.

WhenIWasYourAge: It took a week to learn whether your photos came out okay.

I try to educate the public and let them make the decisions for themselves.

Science, and its impact on a person's livelihood is the common denominator.

Where ignorance lurks, so too do the frontiers of discovery and imagination

When you're advancing a frontier it stimulates creativity to find solutions.

I know of no time in human history where ignorance was better than knowledge.

One should not be too distracted by definitions. Ideas transcend definitions.

It's part of our pop culture to give animals human personalities and talents.

I love the future we might invent for ourselves that I have not yet dreamt of.

You can get an Egg McMuffin all day; you just can't get the hamburger all day.

The more of us that feel the universe, the better off we will be in this world.

Whether or not you can become great at something, you can always become better.

Knowing how to think empowers you far beyond those who know only what to think.

What are you doing? Why are you concerning yourself with the meaning of meaning?

It's a weird state to be in to go to the Bible and try to invoke science, right?

The good thing about science is that it's true whether or not you believe in it.

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