National Geographic: The Heavens 1970

Consistent with Aristotle, the great figures are the absolute best substances, (or “substances”), whose movements are managed by standards different than these of figures in the sublunary circle.

NG The Heavens 1970

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National Geographic: The Heavens 1995
The movements in the Heavens are interminable and consummate, and the ideal movement is the round one, which, unlike the natural up-and down-ward headways, can final interminably similar. As substances, heavenly figures have matter (aether) and a shape: it appears that Aristotle did see them as living creatures with a reasonable soul as their shape.
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