Tolerating somebody else's beliefs is not failing to criticize them. It's not persecuting them for having those beliefs. That is absolutely important. You should not persecute people for their beliefs. It doesn't mean you can't criticize their beliefs.

To me the ultimate sin was refusing to listen to reason.

Brains cause technology, society, art, science, soap operas, sin. A remarkable set of effects for such a small chunk of coagulated atoms.

Our treatment of animals, in every department, is deeply and systematically immoral. Becoming a vegetarian is only the most minimal ethical response to the magnitude of the evil.

Once you were just insentient cells, no more aware of anything than your liver is now. Today you are brimming with consciousness. How did you make the grade? What catapulted you into consciousness? There must be some kind of natural process behind this astonishing leap, but this process is obscure.