Stand firm for what you believe in, until and unless logic and experience prove you wrong. Remember, when the emperor looks naked, the emperor is naked. The truth and a lie are not sort of the same thing.
-Daria Morgendorffer (from the TV show Daria)
This is our monthly thread for collecting these little gems and pearls of wisdom, rationality-related quotes you've seen recently, or had stored in your quotesfile for ages, and which might be handy to link to in one of our discussions.