This book first appeared in 1908 and purports to be authentic Hermetic philosophy but according to Wiki it was also based on more modern ideas like the New Thought movement that began in the early 19th century. Similarities to the biblical Book of Proverbs have also been noted. I even thought it sounded a bit Theosophical. In any case it is an intriguing and insightful book with some interesting ideas. It is based on Seven Hermetic Principles or Laws and one can sometimes find these laws referenced in New Age teachings. The principles are mainly of a mental nature and the process involved is often in the book referred to as Mental Alchemy. The style is that of teachings from a
3) The Principle of Vibration
4) The Principle of Polarity
5) The Principle of Rhythm
6) The Principle of Cause and Effect
7) The Principle of Gender
For convenience, according to Hermetic philosophy the universe is divided into three planes: physical, mental, and spiritual. The planes are said to be more a state, or condition than a place but really neither. Again the hierarchy is similar to that perfected by Plotinus, the great neo-Platonist. Each of the planes is subdivided into 7 sub-planes and each of these divided again into seven. There are various relationships between certain sub-planes which the authors detail. There are unseen beings, forms, and entities on the lower planes such as elementals and on the higher planes – angels, arch-angels, demi-gods, etc.