"The films are realistic fantasies. Bullets are easy. You can buy them. Emotions are not. They're priceless."

"The truth is that economic competition is the very opposite of competition in the animal kingdom. It is not a competition in the grabbing off of scarce nature-given supplies, as it is in the animal ki…"

"We define: any two events which are indeterminate as to their time order may be called simultaneous. ...Simultaneity means the exclusion of causal connection. ...Yet we must not commit the mistake of …"

"It was interesting to have humanoid villains that were rooted in our three-dimensional reality... or four dimensional reality, I'm not sure which!"

"I was not at the time well enough acquainted with Caspakian ways to know that truthfulness and loyalty are two of the strongest characteristics of these primitive people. They are not sufficiently cul…"