I may not be able to define pornography but I know it when I see it. — William Rehnquist Copy Share Image
If we define pornography as any message from any communication medium that is intended to arouse sexual excitement, then it is clear… — Philip Slater Copy Share Image
Attempting to define science fiction is an undertaking almost as difficult, though not so popular, as trying to define pornography... In both… — Arthur C. Clarke Copy Share Image
