This is one of theprimary mechanisms whereby, if a fool says the sun is shining, we do notcorrectly discard this as irrelevant nonevidence, but rather find ourselvesimpelled to say that it must be dark outside.
Eliezer YudkowskyMoore's Law of Mad Science: Every eighteen months, the minimum IQ necessary to destroy the world drops by one point.
Eliezer Yudkowsky