Revised and Enlarged Edition. This is the most quoted book in Blavatsky’s Secret Doctrine. Lecture 1, The purpose of this book is to supply the existing need of a perfect system of thought and life by one founded in the nature of existence. This not a new invention, but a recovery of the original system which was the basis of all religions. Its recovery due to the same means by which it was originally received, namely, the Intuition, which represents the knowledges acquired by the Soul in its past existences. Lecture 2, The Soul; and the Substance of Existence; Lecture 3, The Various Orders of Spirits; and How to Discern them; Lecture 4, The Atonement; Lecture 5, The Nature and Constitution of the Ego; Lecture 6, The Fall; Lecture 7, The Fall No. 2; Lecture 8, The Redemption; Lecture 9, God as the Lord; or, The Divine Image; Concerning the Interpretation of Scripture; Concerning the Hereafter; On Prophesying; Concerning the Nature of Sin; Concerning the Great Work and the share of Christ Jesus Therein; The Time of the End; Higher Alchemy; Revelation; The One Life; The Mysteries; Hymn to the Planet-God; Hymn of Aphrodite; Hymn to Hermes; Secret of Satan.