And when someone makes a statement you don't understand, don't tell him he's crazy. Ask him what he means.
-- H Beam Piper, "Space Viking"
And when he cannot answer and stares at you dumbfounded while drooling a little,then you tell him he's crazy :)
(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.