The Universe, so far as we can observe it, is a wonderful and immense engine; its extent, its order, its beauty, its cruelty, makes it alike impressive.
I don't think the human race will survive the next thousand years, unless we spread into space. There are too many accidents that can befall life on a single planet. But I'm an optimist. We will reach out to the stars.
The view of the Earth from the Moon fascinated me -- a small disk, 240,000 miles away. . . . Raging nationalistic interests, famines, wars, pestilence don't show from that distance.