An economist is an expert who will know tomorrow why the things he predicted yesterday didn't happen. Earl Wilson
I noticed this process of waking, and predicted with terrifying logic that one of these years not far away I would be awake continuously and never slip back, and never be free of myself again. Annie Dillard
Predicting has a spotty record in science fiction. I've had some failures. On the other hand, I also predicted the fall of the Berlin Wall and the rise of fundamentalist Islam... and I'm not happy to be right in all of those cases. David Brin