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" H.P. Owen’s book “Concepts of Deity” provides a good standard version: “Theism may be defined as belief in one God, the Creator, who is infinite, self-existent, incorporeal, eternal, immutable, impassible, simple, perfect, omniscient and omnipotent” (Owen 1971, p. 1). "
― John Michael Greer , A World Full of Gods: An Inquiry Into Polytheism