Climate change could produce a lot of misery and waste without necessarily leading to large-scale armed conflict, which depends more on ideology and bad governance than on resource scarcity.

Language is a window into human nature, but it is also a fistula, an open wound through which we're exposed to an infectious world.

In 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.

Commerce, trade and exchange make other people more valuable alive than dead, and mean that people try to anticipate what the other guy needs and wants. It engages the mechanisms of reciprocal altruism, as the evolutionary biologists call it, as opposed to raw dominance.

All over the world, belief in the supernatural has authorised the sacrifice of people to propitiate bloodthirsty gods, and the murder of witches for their malevolent powers.

Racism, because it favors color over talent, is bad for business.

Dear White Fella When I am born I’m black When I grow up I’m black When I am sick I’m black When I go out ina sun I’m black When I git cold I’m black When I git scared I’m black And when I die I’m still black. But you white fella When you’re born you’re pink When you grow up you’re white When you git sick you’re green When you go out ina sun you go red When you git cold you go blue When you git scared you’re yellow And when you die you’re grey And you got the cheek to call me coloured?