“Pluto is still active four and a half billion years into its history. It was expected that small planets like Pluto would cool off long ago and not still be showing geological activity. Pluto is, i...”

“I like the planets because they are real places that you can go to and send machines to. Faraway astronomy - galactic astronomy and extra-galactic astronomy - is really cool stuff, but to me, it's ...”

“It says something very deep about humans and our society, something very good about us, that we've invested our time and treasure in building a machine that can fly across three billion miles of sp...”

“I'm hopeful that commercial space exploration will takeoff. To really fuel the spaceflight revolution will require an investment of hundreds of billions of dollars a year, and I think that's only g...”

“I tend to think of Pluto and its moons as presents sitting under a Christmas tree. They're wrapped, and from Earth all we can do is look at the boxes to see whether they're light or heavy, to see i...”

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

“Suspense left my life a long time ago, now it has returned. I do not care for it.”

“I am weird, and you know what? That's OK. So are most interesting people.”

“The only really interesting thing iswhat happens between two people in a room.”

“Welcome to the American sector! Feast your eyes on glorious Pluto, her wild frontier, her high standard of living, her rugged, hardworking citizens, her purple mountains majesty! Ride the mighty bu...”

“Little girl, a memory without blot or contamination must be an exquisite treasure-an inexhaustible source of pure refreshment:is it not?”

“He enjoys much who is thankful for little.”

“Little girl, a memory without blot or contamination must be an exquisite treasure-an inexhaustible source of pure refreshment:is it not?”