《Tetrabiblos》Otherwise Called, The Fruit Of His Four BooksClaudius Ptolemy（Ashmand 英譯 1822）
IV. A mind apt in knowledge will discover truth more readily than one practised in the highest branches of science. V. A skilful person, acquainted with the nature of the stars, is enabled to avert many of their effects, and to prepare himself for those effects before they arrive.
段落 tetra-4-otherwisec-6public-domain (Ashmand 1822)
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