Alice C. Linsley
Judaism and Christianity draw from ancient Egyptian-Sudanese belief, religious practice, and cosmology.  The ancient Greeks were also influenced by Egyptian-Sudanese ideas, especially their observation of sidereal astronomy.
The Egyptians regarded the Sun as the symbol of the Creator because it was the source of light and life.  They observed that whereas the Sun is the source of light, the Moon merely reflects light. This is why the Bible criticizes Mesopotamian moon worship and why Abraham's father was regarded as an idol-worshipper (Joshua 24:2) since he maintained households in Ur and Haran, cities dedicated to the moon god Sin.
Note the binary distinction between the source of light (Sun) and the reflection of light (Moon). This observation is the basis for Plato's famous Allegory of the Cave. Those in the cave are able to see only passing shadows, not the true objects that cast those shadows. Yet they believe that the shadows are the real objects. They continue to do so until they turn toward the cave's opening and walk out of the cave.
Plato’s Application of Egyptian Cosmology
Here is but one example of how Plato's thinking was informed by Egyptian cosmology. Another example involves the development of the Greek alphabet from the Pro-Canaanite alphabet which was based on Egyptian hieroglyphics. To understand how the alphabet expresses ancient Egyptian-Sudanese cosmology, consider the Teth (or Tau) below.
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Assic of Elphin - Died c. 490. Bishop and Patron of Elphin, in Ireland, one of St. Patrick's converts, and worker in iron. In the Tripartite Life of St Patrick (ed. Whitley ...
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