Pornography is a cheat. It is an attempt to provide sexual experience by secondhand means. Now sex is a thing which has to be experienced firsthand, if you are really going to understand it, and pornography is rather like trying to find out about a Beethoven symphony by having somebody tell you about it and perhaps hum a few bars. It's not the same thing.

in 1972; The Enthusiasms of Robertson Davies (1990)