System, one, or gut, is unconscious, thought, and its…

System, one, or gut, is unconscious, thought, and its defining quality is speed. God does not need an encyclopedia to figure out what to do when something moves in the long grass. It makes a snap judgment and sounds the alarm instantly. There is a 20 in your stomach. Your heart beats a little faster, your eyes 0N.

— from The Mind in the Cockpit · Science of Fear by Daniel Gardner

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