When the atheist is told that God is unknowable, he may interpret this claim in one of two ways. He may suppose, first, that the theist has acquired knowledge of a being that, by his own admission, cannot possibly be known; or, second, he may assume that the theist simply does not know what he is talking about.

Reason is not one tool of thought among many, it is the entire toolbox. To advocate that reason be discarded in some circumstances is to advocate that thinking be discarded - which leaves one in the position of attempting to do a job after throwing away the required instrument.

It is my firm conviction that man has nothing to gain, emotionally or otherwise, by adhering to a falsehood, regardless of how comfortable or sacred that falsehood may appear.

Through inculcating the notion that sacrifice is a virtue, Christianity has succeeded in convincing many people that misery incurred through sacrifice is a mark of virtue. Pain becomes the inignia of morality - and conversely, pleasure becomes the insignia of immorality. Christianity, therefore, does not say, "Go forth and be miserable." Rather, it says, "Go forth and practice the virtue of self-sacrifice." In practical terms, these commands are identical.

I am arguing that faith as such, faith as an alleged method of acquiring knowledge, is totally invalid and as a consequence, all propositions of faith, because they lack rational demonstration, must conflict with reason.

The significant contribution of empiricism was not the eradication of certainty, but the eradication of infallibility as a criterion of certainty. And this shift from infallibilism to fallibilism has profound consequences not only for toleration, but also for the subordination of faith to reason and theology to philosophy.

A willingness to engage in the give and take of argument displays a commitment to cognitive egalitarianism - the proposition that all people should be treated as intellectual equals, and that no individual can legitimately claim a privileged immunity from the burden of proof.