《Tetrabiblos》Knowledge May Be Acquired By Astronomy To A Certain ExtentClaudius Ptolemy（Ashmand 英譯 1822）
At the same time, it rolls all the inferior spheres round with it, by its own force; and there is no star in it. Against this _primum mobile_, the motion of the other spheres, running from the west through the meridian to the east, contends.
段落 tetra-1-knowledgem-9public-domain (Ashmand 1822)
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