《Tetrabiblos》Book 3Claudius Ptolemy（Ashmand 英譯 1822）
In all particular events, the origin, or birth, of the subjected matter itself, must, of course, be the primary origin; and, in succession thereto, the various beginnings of other subsequent circumstances are to be assumed.
段落 tetra-3-ch-7public-domain (Ashmand 1822)
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