《Tetrabiblos》That Prescience Is UsefulClaudius Ptolemy（Ashmand 英譯 1822）
And it is also to be understood that he ventures this opinion with the same degree of confidence, as that with which a physician may declare that a certain wound will increase or grow putrid; or a man acquainted with metals say that the magnet[26] will attract iron.
段落 tetra-1-thatpresci-21public-domain (Ashmand 1822)
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