The great civilizations have to join together and result in new civilizations. The current civilizations will be cast away and they finally die like the disabled aged while they pave the way for the fresh newly born replacements. Similarly, the descendants of these new civilizations will do their best to fill the gap between the internal and external heritages and rescue the long forgotten spirituality; they will bring the past into the future.
360 Doctrines and Comprehensive Theories - Union of Civilizations