Photography is a kind of virtual reality, and it helps if you can create the illusion of being in an interesting world.

Without goals the very concept of intelligence is meaningless

The reason I'm not a neurobiologist but a cognitive psychologist is that I think looking at brain tissue is often the wrong level of analysis. You have to look at a higher level of organization.

We can shape events in each other's brains with exquisite precision.

With violence, as with so many other concerns, human nature is the problem, but human nature is also the solution.

Evolutionary psychology is one of four sciences that are bringing human nature back into the picture.

Probably Hobbes got it right when he said that a leviathan, a third party with a monopoly on the use of legitimate use of force in a territory, might be among the biggest violence reduction techniques ever invented.