Those who speak truth to power usually end up in chains or an early grave, but inside Zeus’s head Metis could never be silenced. She would be a prudent check on the reckless excesses and headlong passions that often threatened to get the god of thunder into trouble. His storms of temper, lust, and jealousy needed to be balanced by her calm voice, a voice that could urge his instincts into more rational and enlightened channels.
