《Tetrabiblos》That Prescience Is UsefulClaudius Ptolemy（Ashmand 英譯 1822）
And it is by this process that remedies for present and preservatives against future disorders are to be acquired: for, without astronomical knowledge, medical aid would be most frequently unavailing; since the same identical remedies are not better calculated for all persons whatsoever, than they are for all diseases whatsoever.[28] The practicability and utility of prescience having been thus far briefly explained, the ensuing discourse must be proceeded with.
段落 tetra-1-thatpresci-44public-domain (Ashmand 1822)
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