I previously stated that Theodore Sturgeon stated that "80% of everything is crap". I was wrong in both directions. The correct statement (with some context surrounding it) is:
"It is in this vein that I repeat Sturgeon's Revelation, which was wrung out of me after twenty years of wearying defense of science fiction against the attacks of people who used the worst examples of the field for ammunition, and whose conclusion was that ninety percent of SF is crud. The Revelation: Ninety percent of everything is crud."*
Ah well, at least I was 90% right.
(* source: http://www.jessesword.com/sf/view/328)
