Human experience depends on everything that can influence states of the human brain, ranging from changes in our genome to changes in the global economy.

Needless to say, this would be an unthinkable crime—as it would kill tens of millions of innocent civilians in a single day—but it may be the only course of action available to us, given what Islamists believe

An argument can be logically valid, but unsound in that it contains a false premise and, therefore, leads to a false conclusion (e.g., Scientists are smart; smart people do not make mistakes; therefore, scientists do not make mistakes).

The most transformative experiences people have - bliss, devotion, self transcendence - are currently anchored to the worst parts of culture and to ways of thinking that merely amplify superstition, self-deception, and conflict.

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.

Rather than bring the full force of our creativity and rationality to bear on the problems of ethics, social cohesion, and even spiritual experience, moderates merely ask that we relax our standard of adherence to ancient superstitions and taboos, while otherwise maintaining a belief system that was passed down to us from men and women whose lives were simply ravaged by their basic ignorance about the world.

The difference between science and religion is the difference between a willingness to dispassionately consider new evidence and new arguments , and a passionate unwillingness to do so.