Evolution is not a genetically controlled distortion of one adult form into another; it is a genetically controlled alteration in a developmental program.

Even if it were true that evolution, or the teaching of evolution, encouraged immorality that would not imply that the theory of evolution was false.

All animals are minor variations on a very particular theme.

Human beings are just gene machines.

Mysteries do not lose their poetry when solved. Quite the contrary; the solution often turns out more beautiful than the puzzle and, in any case, when you have solved one mystery you uncover others, perhaps to inspire greater poetry

If you look up at the Milky Way through the eyes of Carl Sagan, you get a feeling in your chest of something greater than yourself. And it is. But it's not supernatural.

[The Internet] is by far the most important innovation in the media in my lifetime. It's like having a huge encyclopedia permanently available. There's a tremendous amount of rubbish on the world wide web, but retrieval of what you want to so rapid that it doesn't really matter