The 9/11 strikes left an indelible impact on our minds, but in relative terms, the scale of casualties actually wasn't all that high.
Steven PinkerThe supposedly immaterial soul, we now know, can be bisected with a knife, altered by chemicals, started or stopped by electricity, and extinguished by a sharp blow or by insufficient oxygen.
Steven PinkerTechnology, ideology, and social and cultural changes periodically throw out new forms of violence for humanity to contend with.
Steven PinkerIn fact, without a specification of a creature's goals, the very idea of intelligence is meaningless. A toadstool could be given a genius award for accomplishing with pinpoint precision and unerring reliability, the feat of sitting exactly where it is sitting. Nothing would prevent us from agreeing with the cognitive scientist Zenon Pylyshyn that rocks are smarter than cats because rocks have the sense to go away when you kick them.
Steven Pinker