“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...”

“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.”

“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 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.”

“How many shots had to be fired to turn this child back to his home and anxious mother?”

“We are not subjects of a State founded upon law, but members of a society founded upon revolution. Revolution is our obligation: our hope of evolution. The Revolution is in the individual spirit, o...”

“To be out of touch with a society in which women have internalized their subjugation is an admirable thing.”

“Not everyone may not think the way you do.”

“I think you're wrong.""Think what you like.”

“To think, to think, even with a split second left - to think was the only hope.”