This book, by H. Spencer Lewis, was pretty near my bible for many years. Lewis writes beautifully and simply to describe the seven periods (daily & yearly) of Life, Personalities, Business and Health cycles. What fascinated me the most were the descriptions of principles that govern life, personalities and cycles. I highly recommend this book for those interested in such topics.

See Also

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13.24 - Law of Cycles
5.8.5 - The complete Contraction Expansion Cycle is as follows
8.23 - Law of Cycles
Birth Cycle
Carnot Cycle
cycle of appearance and disappearance of mass
cycle of motion
Cycle of Temperature
cycle of twelve
cycle
cycles of the distances
cycles of the periods
cycles per second
Day Cycle
Electric Current Cycle
Fate
first cycle of keys
Harvey Spencer Lewis
Heat pump and refrigeration cycle
Law of Cycles
life-death cycle
one cycle for each action
second cycle of keys
seven churches
seven Spirits
seven
Ten Octave Cycle of the Elements of Matter
third cycle of keys
wave cycle