The king-fool duopoly seems, according to the reliable Rabelais, to have a celestial underpinning. I trust that ‘king’ is used capaciously to include queens and other rulers …
Kings and fools are born under the same horoscope.
Un mesme horoscope estre à la nativité des roys et des sots.
Source: François Rabelais (c. 1494-c. 1553), Le Tiers Livre des Faicts et Dicts Heroiques du Bon Pantagruel (1546), in Oeuvres Complètes, ed. by Pierre Jourda (Paris: Classiques Garnier, 1962), vol. 1, p. 558.
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