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.
- Please post all quotes separately, so that they can be voted up/down separately. (If they are strongly related, reply to your own comments. If strongly ordered, then go ahead and post them together.)
- Do not quote yourself.
- Do not quote comments/posts on LW/OB.
- No more than 5 quotes per person per monthly thread, please.
-- Hippocrates, On the sacred disease (ca. 4th century BCE).
[ In this and other of his writings, Hippocrates shows such an incredible early sense for rationality and against superstition that was only rarely seen in the next 2000 after that -- and in addition, he was not just a armchair philosopher, he actually put these things is practice. So, hats off for Hippocrates, even when his medicine was not without faults of course...]
I don't know, to me he's just stating that the brain is the seat of sensation and reasoning.
Aristotle thought it was the heart. Both had arguments for their respective positions. Aristotle studied animals a lot and over-interpreted the evidence he had accumulated: to the naked eye the brain appears bloodless and unconnected to the organs; it is also insensitive, and can sustain some non-fatal damage; the heart, by contrast, reacts to emotions, is obviously connected to the entire body (through the circulatory system), and any damage to it leads to immedi... (read more)