You can find religions without creationism, but you never find creationism without religion.

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

We don't have faith in reason; we use reason because, unlike revelation, it produces results and understanding. Even discussing why we should use reason employs reason!

All scientific progress requires a climate of strong skepticism.

Now, science cannot completely exclude the possibility of supernatural explanation. It is possible though very unlikely that our whole world is controlled by elves. But supernatural explanations like these are simply never needed; we manage to understand the natural world just fine using reason and materialism.

The battle for evolution seems never-ending. And the battle is part of a wider war, a war between rationality and superstition.

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.