The Seven Immortal Earths

Arisen beneath a triple mystic heaven
The seven immortal earths were seen, sublime:
     — Book 11

We can relate these two verses to the Caduceus of Hermes and its static form represented by the tree of the Sephiroth in which each centre of force-consciousness under the veil of the abyss represents an immortal earth.

Cadaceus Cadaceus