Water is two parts hydrogen and one part oxygen. What if someone says, “Well, that’s not how I choose to think about water.”? All we can do is appeal to scientific values. And if he doesn’t share those values, the conversation is over. If someone doesn’t value evidence, what evidence are you going to provide to prove they should value it? If someone doesn’t value logic, what logical argument could you provide to show the importance of logic?

The problem that religious moderation poses for all of us is that it does not permit anything very critical to be said about religious literalism.

Faith enables many of us to endure life's difficulties with an equanimity that would be scarcely conceivable in a world lit only by reason.

How can we encourage other human beings to extend their moral sympathies beyond a narrow locus? How can we learn to become mere human beings, shorn of any more compelling national, ethnic, or religious identity? We can be reasonable. It is in the very nature of reason to fuse cognitive and moral horizons. Reason is nothing less than the guardian of love.

Theology is ignorance with wings.

Unreason is now ascendant in the United States - in our schools, in our courts, and in each branch of the federal government. Only 28 percent of Americans believe in evolution; 68 percent believe in Satan. Ignorance in this degree, concentrated in both the head and belly of a lumbering superpower, is now a problem for the entire world.

It is as though a portal in time has opened, and the Christians of the 14th century are pouring into our world.