Yes, the money could be better spent on Earth. But would it? Since when has money saved by government redlining been spent on education and cancer research? It is always squandered. Let's squander some on Mars. Let's go out and play.

In my whole life, I've never vomited from seeing something disgusting. Does it really even happen, outside of movies and TV? I believe it may be a myth.

The terms "idiot" and "lunatic" were acceptable diagnostic terms in England up until 1959. "Imbecile" and "feeble-minded person" were, likewise, listed as official categories in the 1913 Mental Deficiency Act. England has always lagged a bit behind in discarding outdated terms for the disadvantaged. When I was there in 1980, it was still possible to shop for used clothing at the local Spastic Shop. That is, compared to the United States, where it takes, oh, about twenty-five minutes for a diagnostic euphemism to become a conversational faux pas.

To me, NASA is kind of the magical kingdom. I was sort of a geek, and you go there, and there are just these wondrously strange things and people.

Sexual desire is a state not unlike hunger.

All good research-whether for science or for a book-is a form of obsession.

Every mode of travel has its signature mental aberration.