This book is 2 Texts, both written in 1963 by Samael Aun Weor and an Appendix which includes Samael's explanation of the Ray of Creation and references to the teachings of Gurdjieff.The first is the "Grand Gnostic Manifesto of the 2nd year of Aquarius" which discusses: The Aquarian Era; An Appalling Truth; The Soul; System to Dissolve the 'I'; The Spirit; Sex Yoga; The Buddha; The Christ; The Universal Gnostic Christian Movement.The second is the "Supreme Message of Christmas 1963-1964" and discusses: The Astral Body; The Hydrogen SI-12; Nourishment of the Astral Body; The Mental Body; The Body of Conscious Willpower; The Four Bodies; The Problem of the Soul; The Four Bodies, the Essence and the Spirit; Crystalization of the Hydrogen SI-12; The Venustic Initiation; The Hypocritical Pharasees.Este libro es dos textos ("Gran Manifiesto Gnóstico del 2º año de Acuario" y el segundo es el "Mensaje Supremo de Navidad 1963-1964"), ambos escritos en 1963 por Samael Aun Weor, y un Apéndice del Editor.