"The fifth circle is under the inscription Invenies, which means “you will discover.

...represents the first lasting solidification of the conjoining of soul and spirit.

We see this process most clearly in the making of wine. First, the grapes are “sacrificed” or crushed to release their essences in the juice. Putrefaction begins as the juice is allowed to decompose and rot. Next, a white layer of digesting bacteria arises that begins the process of Fermentation. This phase is also sometimes marked by waxy substance the alchemists called the Ferment and an oily film known as the Peacock’s Tail.

Out of the blackness of the alchemist’s despair (Putrefaction) comes a brilliant display of colors and meaningful visions (the Peacock’s Tail.)"

Physiologically, Fermentation is the rousing of living energy (chi or kundalini) in the body to heal and vivify.

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