Pretending to know everything closes the door to finding out what's really there.

We live in the kind of society where, in almost all cases, hard work is rewarded.

It turns out that the history of astrophysics is where we perfected time keeping.

There's no shortage of people that we can put on, because science touches us all.

I'm not criticizing the science in Star Wars. That's a waste of everybody's time.

Any astrophysicist does not feel small looking up at the universe; we feel large.

The universe's destiny has very little to do with the near-term destiny of Earth.

I've been a minimalist my whole life, even if you wouldn't know it from my office.

Physics is the only profession in which prophecy is not only accurate but routine.

We have people who believe they are scientifically literate but, in fact, are not.

The Venus transit is not a spectacle the way a total solar eclipse is a spectacle.

Once something is answered, then there's another question. Hence the eternal quest.

Never presume that just because you disagree with an idea that you must be correct.

If you want a nation to have space exploration ambitions, you've got to send humans.

We fail in even the simplest of all scientific observations-nobody looks up anymore.

The universe is so amazing and so limitless, who wouldn't want to study the universe?

I think the material that inspires artists is the fabric of the soul of civilization.

If God to you is where science has yet to tread, then God is an ever-receding pocket.

Many people feel small because they're small and the universe is big, but I feel big.

I'm fascinated by the deaths of stars and the havoc they wreak on their environments.

No doubt, the most challenging class of questions in science is the origin of things.

As an American, I grew up in an era where we led the world in everything. Everything!

It makes good sense to revere the sun and the stars ... because we are their children

Modern science is under no obligation to satisfy the expectations of your five senses.

When NASA says they're going into space, they don't mean up and back. They mean orbit.

If the people of Comic-Con ruled the world...then tomorrow would be invented every day.

Science literacy is the artery through which the solutions of tomorrow's problems flow.

Newton came up with Newton's laws of motion and gravity. They worked. They were working.

I'm not writing for myself. I'm writing as an educator, I'm writing to stimulate others.

A state of negative energy means that you are essentially getting something for nothing.

I love being wrong because that means in that instant, I learned something new that day.

It’s short-sighted to think ads won’t one day end up wherever humans are - even the moon.

All of the full moons for the entire year are special in that they have particular names.

You can't be a writer and have nothing to write about. You have to have life experiences.

WhenIWasYourAge: We had to open all doors by ourselves. None of them knew we were coming.

Space enthusiasts are the most susceptible demographic to delusion that I have ever seen.

Nothing is a thing: it's nothing. So I can imagine a place where there's not even nothing.

People generally don't recognize how long it takes to conceive, publish, and write a book.

After all, what nobler thought can one cherish than that the universe lives within us all?

The tenacity of life is mind-boggling. We keep finding it where no one thought it could be.

The only accounting we had of the origins and the structure of nature was Biblical Genesis.

Space in general gave us GPS - that's not specifically NASA, but it's investments in space.

85 percent of the gravity of the universe has a point of origin about which we know nothing.

I never volunteer to talk about god or religion, but people feel compelled to talk about it.

Space exploration is a force of nature unto itself that no other force in society can rival.

The show [ StarTalk ] was born as a radio program out of a National Science Foundation grant.

I think the best thing a parent can do, when raising a child, is simply get out of their way.

Science is not a subject you took in school. It's life. We are wrapped by it, in it, with it.

For your own safety, do not ever tell an astrophysicist, I hope all your stars are twinkling.

For centuries, magicians have intuitively taken advantage of the inner workings of our brains.

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