There is a body that enfolds the whole of the world; imagine it in the form of a circle, for this is the form of the Whole...Imagine now that under the circle of this body are the 36 decans, midway between the total circle and the circle of the zodiac, separating these two circles and, so to speak, delimiting the zodiac, transported along it with the planets...The changing of kings, the rising up of cities, famine, plague, the tides of the sea, earthquakes: none of these takes place without the influence of the decans...
-Corpus Hermeticus, Stobaeus, excerptum VI" | Eco, Foucault's Pendulum