“I could have started a for-profit, venture-backed business that has a good spirit, and I think there are many of them - Google for instance. Maybe I could reach a billion people. That is high impact, but what happens in 50 years?”
“The Earth reminded us of a Christmas tree ornament hanging in the blackness of space. As we got farther and farther away it diminished in size. Finally it shrank to the size of a marble, the most beautiful marble you can imagine.”