It's been a great place to get in touch with what people are really thinking. And to make contact with readers and other writers. Egalitarian, wide open, like the Wild West!

Ray Bradbury is, for many reasons, the most influential writer in my life. Throughout our long friendship, Ray supplied not only his terrific stories but a grand model of what a writer could be, should be, and yet rarely is: brilliant and charming and accessible, willing to tolerate and to teach, happy to inspire but also to be inspired.

Of all the planets apart from Earth in our solar system, Mars is the most hospitable. Yeah. Right. Better keep my visit short. And yet, despite the discomfort, the danger, I love it here. I love coming back for these imaginary vacations. The sights are amazing.

Once, poets were magicians. Poets were strong, stronger than warriors or kings — stronger than old hapless gods. And they will be strong once again.

Science fiction works best when it stimulates debate.

For years, even before 9/11, I've been trying to warn that the threat from amateur biolabs will ultimately turn out to be far more troublesome than leakage from military labs - perhaps even more costly and deadly than nuclear terrorism.

Having one's eyes opened doesn't make one grateful.