To my mind, the best SF addresses itself to problems of the here and now, or even to problems which have never been solved and never will be solved - I'm thinking of Philip K. Dick's work here, dealing with questions of reality, for example.

Quote

“To my mind, the best SF addresses itself to problems of the here and now, or even to problems which have never been solved and never will be solved - I'm thinking of Philip K. Dick's work here, dealing with questions of reality, for example.”