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.
Colin McGinnIt is an odd fact of evolution that we are the only species on Earth capable of creating science and philosophy. There easily could have been another species with some scientific talent, say that of the average human ten-year-old, but not as much as adult humans have; or one that is better than us at physics but worse at biology; or one that is better than us at everything. If there were such creatures all around us, I think we would be more willing to concede that human scientific intelligence might be limited in certain respects.
Colin McGinnFaith is believing things by definition, which are not justified by reason. If it were justified by reason, it wouldn't be faith. It would just be ordinary belief. It's something you can't prove. That's what faith is, believing something you can't prove.
Colin McGinnTolerating 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.
Colin McGinnOnce 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.
Colin McGinn