I tend to think of fiction as being mainly about characters and human beings and inner experience, whereas essays can be much more expository and didactic and more about subjects or ideas.
David Foster WallaceAnd when he came to, he was flat on his back on the beach in the freezing sand, and it was raining out of a low sky, and the tide was way out.
David Foster WallaceJohn McEnroe...was arguably the best serve-and-volley man of all time, but then McEnroe was an exception to pretty much every predictive norm there was. At his peak (say 1980 to 1984), he was the greatest tennis player who ever lived-the most talented, the most beautiful, the most tormented: a genius. For me, watching McEnroe don a blue polyester blazer and do stiff lame truistic color commentary for TV is like watching Faulkner do a Gap ad.
David Foster Wallace