People in the Pentagon had colleagues killed and maimed by bin Laden. They're trying to find bin Laden and kill him and his cult. Naturally they consider that a legitimate thing to do, but they're having mixed success at the job.

The future is unwritten. there are best case scenarios. There are worst-case scenarios. both of them are great fun to write about if you' re a science fiction novelist, but neither of them ever happens in the real world. What happens in the real world is always a sideways-case scenario. World-changing marvels to us, are only wallpaper to our children.

The ruins of the unsustainable are the 21st century’s frontier.

Every passing year brings us more past futures. Here in Europe they had a Dark Age so extensive, radical and obliterative that everyone forgot how to speak Latin. It's counterproductive to blither on about "the" future. It's always somebody's future, and we're not who we used to be.

Okay, are you really 'experimenting'? How do you know if you're really experimenting? You're working on it methodically and you're publishing the results! It's not an experiment if you don't publish the results in some verifiable and falsifiable form, okay?

A dagger is the noble weapon of Brutus. Everyone understands that tyrants fall to daggers. A bomb is a sordid modern device with many complex working parts. Only engineers understand bombs

My idea of an amusement park story is getting adventurers to go tour environmental disaster areas. After all, if the entire Great Barrier Reef gets killed, which seems like an extremely lively possibility, what are you going to do with all that rotting limestone?