"Although the first solution is the one usually given, I prefer this second one because it reduces the need to think, replacing it by the automatic calculus. Thinking is hard, so only use it where essential."
--Dennis Lindley, Understanding Uncertainty
(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.