The reason the United States is not so likely to invade Iran is precisely because of the lessons learned from Iraq. And conversely, the Iranian push towards nuclear capability is calculated to deter invasions like the kind deposing Saddam Husain.

As many political writers have pointed out, commitment to political equality is not an empirical claim that people are clones.

People consider the harms they inflict to be justified and forgettable, and the harms they suffer to be unprovoked and grievous.

There's guilt about our treatment of native peoples in modern intellectual life, and an unwillingness to acknowledge there could be anything good about Western culture.

No one knows what the nongenetic causes of individuality are. Perhaps people are shaped by modifications of genes that take place after conception, or by haphazard fluctuations in the chemical soup in the womb or the wiring up of the brain or the expression of the genes themselves.

If anything, Powerpoint, if used well, would ideally reflect the way we think.

M.I.T. has a reputation for turning out Dilberts. They may be brilliant in what they do, but no one can understand what they say.