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GENESIS THE MIRACLES AND THE PREDICTIONS ACCORDING TO SPIRITISM > GENESIS > Chapter XI - SPIRITUAL GENESIS > Emigration and Immigration of Spirits > 35
35. In the interval between their material existences, spirits live in an erratic state, and compose the ambient spiritual population of the globe. By deaths and births those two populations are mingled. There is then daily emigration from the material to spiritual world, and immigrations from the spiritual into the material world. This is the normal state of existence.