《Tetrabiblos》Knowledge May Be Acquired By Astronomy To A Certain ExtentClaudius Ptolemy（Ashmand 英譯 1822）
And, although the former configurations of the planets have been observed to produce certain consequences (which have been adapted to configurations now taking place), and are, after long periods, and in a greater or less degree, resembled by subsequent configurations, yet these subsequent configurations never become exactly similar to those which have preceded them.
段落 tetra-1-knowledgem-37public-domain (Ashmand 1822)
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