《Tetrabiblos》That Prescience Is UsefulClaudius Ptolemy（Ashmand 英譯 1822）
First, however, let it be said in what respect and with what view it is proposed to draw advantage from this science; if it be considered in its tendency to promote the good of the mind, no object more advantageous can surely be wanting to induce the world to rejoice and delight in it, since it offers an acquaintance with things divine and human: if it be considered in respect to the benefits it is capable of conferring on the body, its utility in this view also, will be found on comparison to excel that of all other arts conducive to the comforts of life, for it is of more general application and service than all the others together.
段落 tetra-1-thatpresci-5public-domain (Ashmand 1822)
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