Knowledge is invariably a matter of degree: you cannot put your finger upon even the simplest datum and say this we know.
Moving between the legs of tables and of chairs rising or falling grasping...
If you're picking your best friend based on what kind of clothes she wears or...
People recognize certain things like 'D' means 'this dialogue stinks.' We're dealing with shows that are written here shot in New York and posted back here. Accurate communication is a necessity.
