It is thought that philosophers in the Neopythagorean and Neoplatonic colleges, and also Gnostic and Hermetic groups, utilised magical books and consequently needs to have possessed copies. B

. The correspondences tabulated within just these books are regarded by practitioners as deeply significant and intended to encode insights regarding the metaphysical structure of the universe (frequently by way of the kabbalistic tree of life, whose branches or sephiroth have lent their name to