A compelling theory based on Arthur M Young's V-shaped model that describes the material and spiritual cycles of increasing / decreasing structural constraints forcing the growth and development of creation.
If you are carrying Christian baggage, prepare to watch a Franciscan Friar blow away the encrustation of 1800 years of Churchianity in an hour of universalist mysticism. An absolute delight !
Evelyn Underhill - A modern English woman ( 1875-1941) expressing a tale as old as time.