As its best, SF is the medium in which our miserable certainty that tomorrow will be different from today in ways we cant predict, can be transmuted to a sense of excitement and anticipation, occasionally evolving into awe. Poised between intransigent scepticism and uncritical credulity, it is par excellence the literature of the open mind.
John BrunnerDon't bother explaining--I've heard all the excuses and the trouble is most of them are true.
John Brunnerto travel faster than a speeding bullet is not much help if you and it are heading straight towards each other
John Brunner