In Hebrew Kabbalah, the nephesh (Nefesh) is one of the three parts of the Human soul. Nephesh means animal, and refers to the physical body, and the animal instincts. Some equate the nephesh to the "reptile brain," the primitive brain stem that governs our most primal instincts and emotions.

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• The Tree of Life
  The Tree of life is a universal motif, found in every ancient culture- a symbol of the uniting of heaven and earth, spiritual nourishment, and even enlightenment.
• Esoteric Kabbalah
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