One is formed of prakritic atoms--the globe we know; another, of the ether forming their envelopes; another, of the prana envelopes of ether, and a fourth of the manasa around the pranic atom. They are not "skins"; they are consubstantial. And what is true of atoms or globes is true of animals. Each has four "material" bodies, with each body on the corresponding globe --whether of the earth or of the Universe. This is the physical basis of the famous "chain of seven globes" that is such a stumbling-block in Hindu metaphysics. The spirit passes through four to get in and three to get out--seven in all. The Hindu understands without explanation. He understands his physics.
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