An overview of humanity's spiritual legacy, this booklet serves as a concise and easy-to-understand introduction to the Ageless Wisdom Teaching. It explains the basic tenets of esotericism, including: source of the Teaching; the emergence of the World Teacher; rebirth and reincarnation; the Law of Cause and Effect; the Plan of evolution; origin of man; meditation and service; future changes. Also included is an esoteric glossary and a recommended reading list.