It used to be said that Pluto is a misfit. But now we know Earth is the misfit. This is the most populous class of planet in our solar system and we have never sent a mission to this class.

It'll be the fastest spacecraft ever to Jupiter...13 months after launch. We pass the Moon in just nine hours.

Naming celestial objects is usually done by astronomers and professionals. Other people who are interested in space never get the opportunity to do that kind of thing.

It's strictly coincidental that Pluto of course was named for the god of the underworld and we're describing these Halloween moons

We're in the space exploration business, and the outer solar system is a wild, wooly place. We haven't explored it very well.

There are lots of really interesting little planets out there in the Kuiper Belt, but Pluto's the only one that's got all the cool attributes.

The big lesson of planetary science is when you do a first reconnaissance of a new kind of object, you should expect the unexpected.

A river is a river, independent of whether there are other rivers nearby. In science, we call things what they are based on their attributes, not what they're next to.

Of course Pluto is a planet: It's massive enough to have its shape controlled by gravity rather than material strength, which is the hallmark of planethood.

Competition-driven innovation and price pressure that commercial practices foster can only make human spaceflight ever more common and U.S. leadership in this domain ever clearer.

It is only when a man tames his own demons that he becomes the king of himself if not of the world.

Everything bad in the Old Testament (and there's a lot) is there to point out our sin, while everything good in the Old Testament is there to point us to our Savior.

you mustn't have to make them want you they must want you themselves

You can't please everybody. I give up. I'm not trying to. I don't care. Leave me alone with that.

The most important thing you do as a leader is to hire the right people.

Write comic books if you love comic books so much that you want to write them. Don't write them like movies. Comics can do a lot of things that movies can't do, and vice versa.

Where wisdom is called for, force is of little use.

We are prone to judge success by the index of our salaries or the size of our automobiles rather than by the quality of our service and relationship to mankind.

Speaking of competition in the fast-food industry. This is rat eat rat, dog eat dog. I'll kill 'em, and I'm going to kill 'em before they kill me.

'Doctor Who' was my first telly job, and before that I did a lot of theatre in education, children's theatre.