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.

It is time we recognized that belief is not a private matter; it has never been merely private. In fact, beliefs are scarcely more private than actions are, for every belief is a fount of action in potential.

I am one of the few people I know of who has argued in print that torture may be an ethical necessity in our war on terror.

The problem of vindicating an omnipotent and omniscient God in the face of evil is insurmountable. Those who claim to have surmounted it, by recourse to notions of free will and other incoherencies, have merely heaped bad philosophy onto bad ethics.

By lying, we deny others a view of the world as it is. Our dishonesty not only influences the choices they make, it often determines the choices they can make—and in ways we cannot always predict. Every lie is a direct assault upon the autonomy of those we lie to.

And while Protestant reformers broke with Rome on a variety of counts, their treatment of their fellow human beings was no less disgraceful. Public executions were more popular than ever: heretics were still reduced to ash, scholars were tortured and killed for impertinent displays of reason, and fornicators were murdered without a qualm.

I know of no society in human history that ever suffered because its people became too desirous of evidence in support of their core beliefs.