"To learn which questions are unanswerable, and not to answer them: this skill is most needful in times of stress and darkness."

"The only way to make sense out of change is to plunge into it, move with it, and join the dance."

"We are all responsible for what we do, and what we don't do."

"I think that science fiction is a metaphor. What is metaphor? Metaphor is a way of saying one thing and meaning another."

"I think that science fiction is a way of talking about the present."