Comment by MarkMk1 on Rationality Quotes: June 2011 · 2011-06-03T17:30:14.901Z · LW · GW

Actually I think the full formula is "sweat saves blood, but brains save both". That's as rlevant today as when it was first used, which was in the British Army, around the time of the Crimean War. I think. I wasn't there.