We don't just respond to things as we see them, or feel them, or hear them. Rather, our response is conditioned on our beliefs, about what they really are, what they came from, what they're made of, what their hidden nature is.

Philosophers have often looked for the defining feature of humans — language, rationality, culture, and so on. I'd stick with this: Man is the only animal that likes Tabasco sauce.

The irrationality of disgust suggests it is unreliable as a source of moral insight. There may be good arguments against gay marriage, partial-birth abortions and human cloning, but the fact that some people find such acts to be disgusting should carry no weight.

Because of empathy, we care more for, and devote far more resources to, someone who is familiar, from our country or our group, than a stranger.

I have huge admiration for people who think like the effective altruist, who try to rationally think about how they can change the world for the better, and who try not to be swayed by irrational considerations, such as skin color or whether or not someone lives in the same neighborhood.

We don't just respond to things as we see them, or feel them, or hear them. Rather, our response is conditioned on our beliefs, about what they really are, what they came from, what they're made of, what their hidden nature is.

You might argue on utilitarian grounds that the best way for the world to work is for everybody to take care of themselves first. And people have made that argument. But I just think we would be so much better off if we could care for distant others even a little bit more.