This free online course is a thorough exploration of the universal principles contained in the twenty-two arcana of the Tarot, the Hebrew letters, and the Kabbalah.
"The Tree of Life is the spinal medulla. This Tree of Wisdom is also the ten Sephiroth, the twenty-two creative Major Arcana, letters, sounds, and numbers, with which the Logos (God) created the universe." - Samael Aun Weor
This course was originally given live and unscripted on Gnostic Radio. It is accompanied by a great deal of written material, including lecture transcriptions.
Related course: Alphabet of Kabbalah
The lectures are also playing continuously on Gnostic Radio: