The mind

"... it bolted off like a runaway horse, taking far more trouble over itself than it ever did over anyone else; it gives birth to so many chimeras and fantastic monstrosities, one after another, without order or fitness, that, so as to contemplate at my ease their oddness and their strangeness, I began to keep a record of them, hoping in time to make my mind ashamed of itself." - Montaigne, On Idleness