I don't believe in flying saucers... The energy requirements of interstellar travel are so great that it is inconceivable to me that any creatures piloting their ships across the vast depths of space would do so only in order to play games with us over a period of decades.

Another quote →

More quotes by Isaac Asimov

All Isaac Asimov quotes →

Attribution

Quote text and notes from Wikiquote: Isaac Asimov (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.