We've learned that "beings are of two kinds: material and spiritual, those perceptible to the senses and those intellectual, " so we see that our body is a material being whereas your soul is not perceptible to the senses; and we see where the line is drawn between the two levels of existence. Some Ans Questions 1908 Page 301 . (35:7)

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The Worlds of God
U.S.Baha'i National Ref Library Committee