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.

Because of the hegemony of fundamentalist religion in the United States, this country has been among the most resistant to the fact of human evolution.

A well-understood and testable hypothesis like sexual selection surely trumps an untestable appeal to the inscrutable caprices of a creator.

All scientific progress requires a climate of strong skepticism.

Religion is based on dogma and belief, whereas science is based on doubt and questioning.

In religion, faith is a virtue. In science, faith is a vice.

Can a geology teacher blithely tell his students that the earth is flat, or a European history professor that the Holocaust didn't happen? That's not academic freedom, but dereliction of duty.