《Tetrabiblos》That Prescience Is UsefulClaudius Ptolemy（Ashmand 英譯 1822）
It is in this manner that experienced physicians, accustomed to the observation of diseases, foresee that some will be inevitably mortal, and that others are susceptible of cure.
段落 tetra-1-thatpresci-18public-domain (Ashmand 1822)
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