Jung Slices His Brain.

An excerpt from "The Red Book (Liber Novus)" by Carl Gustav Jung (1875 - 1961):


The Cabiri:  "We forged a flashing sword for you, with which you can cut the knot that entangles you."

I:  "I take the sword firmly in my hand. I lift it for the blow."

The Cabiri:  "We also place before you the devilish, skillfully twined knot that locks and seals you. Strike, only sharpness will cut through it."

I:  "Let me see, the great knot, all wound round! Truly a masterpiece of inscrutable nature, a wily natural tangle of roots grown through one another! Only Mother Nature, the blind weaver, could work such a tangle! A great snarled ball and a thousand small knots, all artfully tied, intertwined, truly, a human brain! Am I seeing straight? What did you do? You set my brain before me! Did you give me a sword so that its flashing sharpness slices through my brain? What were you thinking of?"

The Cabiri:  "The womb of nature wove the brain, the womb of the earth gave the iron. So the Mother gave you both: entanglement and severing."

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Notes: 
Jung's Red Book was the most influential unpublished book, ever. Almost a century after it was begun, it was published in 2009 in a facsimile edition, edited by Sonu Shamdasani, translated by Mark Kyburz, John Peck, and Sonu Shamdasani.
This passage appears on pp. 166-167.
The Cabiri were ancient deities.