People normally read only their own horoscope in the newspaper. If they forced themselves to read the other 11 they'd be far less impressed with the accuracy of their own.
-- Richard Dawkins, "Unweaving the Rainbow"
... hardly anyone except perhaps Richard Dawkins imagines that by denigrating religion one is advancing science.
--E.T. Jaynes, "Probability Theory".
(Since there didn't seem to be one for this month, and I just ran across a nice quote.)
A monthly thread for posting any interesting rationality-related quotes you've seen recently on the Internet, or had stored in your quotesfile for ages.