As long as your ideology identifies the main source of the world's ills as a definable group, it opens the world up to genocide.

I think students should know something about religion as a historical phenomenon, in the same way that they should know something about socialism and humanism and the other great ideas that have shaped political philosophies and therefore the course of human events.

If the cartoon were completely accurate, though, life would be a cacophany of spoinks.

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

Art works because it appeals to certain faculties of the mind. Music depends on details of the auditory system, painting and sculpture on the visual system. Poetry and literature depend on language.

Evolution is an indispensable component of any satisfying explanation of our psychology.

I like ice hockey. No one is ever going to ask me to write about that as a metaphor for life.