Sagredo: [I]n my opinion nothing occurs contrary to nature except the impossible, and that never occurs. - "Two New Sciences" (1914 translation), Galileo Galilei
"Since the beginning, not one unusual thing has happened."
(On a side note, does anyone know whether that's original to Robin Brandt?)
(Last month's started a little late, I thought I'd bring it back to its original schedule.)
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.