If you can't think of an observation that could disprove a theory, that theory simply isn't scientific.

If you can't think of an observation that could disprove a theory, that theory simply isn't scientific.

Some believers are fundamentalists about everything, but every believer is a fundamentalist about something.

The biogeographic evidence for evolution is now so powerful that I have never seen a creationist book, article, or lecture that has tried to refute it. Creationists simply pretend that the evidence doesn't exist.

Evolution tells us where we came from, not where we can go.

It is clear, then, that whatever genetic heritage we have, it is not a straitjacket that traps us forever in the "beastly" ways of our forebears. Evolution tells us where we came from, not where we can go.

We are the one creature to whom natural selection has bequeathed a brain complex enough to comprehend the laws that govern the universe. And we should be proud that we are the only species that has figured how we came to be.