If astronomy has taught man anything it is the painful fact that we are not special creatures in any sense of the term. Our star is an average one, a… - Ben Bova

A teacher?" Vyborg gasped. "They got rid of him in Mexico because he was teaching unauthorized garbage. Do you want him teaching his blasphemies here?"
Berkowitz's smile diminished by less than a millimeter. "Freedom of thought is not blasphemous, Sammi. He's a great teacher.

Your job is not to die for your country. Your job is to get the other poor sonofabitch to die for his country.

My first published novel was written for teenagers, and there were rules laid down by the publisher: no sex, no smoking, no swearing. I blew up entire solar systems, I consigned billions of people to horrible death; they didn't seem to mind that at all. But no hanky-panky.