The men who committed the atrocities of September 11 were certainly not "cowards," as they were repeatedly described in the Western media, nor were they lunatics in any ordinary sense. They were men of faith—perfect faith, as it turns out—and this, it must finally be acknowledged, is a terrible thing to be.

There is no question but that nominally religious scientists like Francis Collins and Kenneth R. Miller are doing lasting harm to our discourse by the accommodations they have made to religious irrationality.

The second commandment is "Thou shall not construct any graven images." Is this really the pinnacle of what we can achieve morally? The second most important moral principle for all the generations of humanity?

The same comparison holds true within the United States itself: Southern and Midwestern states, characterized by the highest levels of religious literalism, are especially plagued by [high rates of homicide, abortion, teen pregnancy, sexually transmitted disease, and infant mortality], while the comparatively secular states of the Northeast conform to European standards.

It seems to me patently obvious that we can no more respect and tolerate vast differences in notions of human well-being than we can respect or tolerate vast differences in the notions about how disease spreads, or in the safety standards of buildings and airplanes.

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 time that scientists and other public intellectuals observed that the contest between faith and reason is zero-sum.