Sturgeon's law: "Ninety percent of everything is crud." Derived from a quote by science fiction authorTheodore Sturgeon, who once said, "Sure, ninety percent of science fiction is crud. That's because ninety percent of everything is crud." Oddly, when Sturgeon's law is cited, the final word is almost invariably changed to "crap".
Sturgeon's law might be regarded as an instance of the Pareto principle.
... number of counted editions
exceeds 2,000; and 1,000 different editions
are preserved in the British Museum. The
Bullingen collection, donated to the city of Cologne ...