"Don't try to solve serious matters in the middle of the night.""Drug misuse is not a disease, it is a decision, like the decision to step out in front of a moving car. You would call that not a disease but an error of judgment.""It is sometimes an appropriate response to reality to go insane.""Reality is that which, when you stop believing in it, doesn't go away.""Reality is whatever refuses to go away when I stop believing in it.""Science fiction writers, I am sorry to say, really do not know anything. We can't talk about science, because our knowledge of it is limited and unofficial, and usually our fiction is dreadful.""The trouble with being educated is that it takes a long time; it uses up the better part of your life and when you are finished what you know is that you would have benefited more by going into banking.""This, to me, is the ultimately heroic trait of ordinary people; they say no to the tyrant and they calmly take the consequences of this resistance."