《Tetrabiblos》Diurnal And NocturnalClaudius Ptolemy（Ashmand 英譯 1822）
Of the other two planets, Saturn and Mars, which are noxious, one is considered to be diurnal, and the other nocturnal. Neither of them, however, is allotted to that division of time with which its nature accords (as heat accords with heat), but each is disposed of on a contrary principle: and for this reason, that, although the benefit is increased when a favourable temperament receives an addition of its own nature, yet, the evil arising from a pernicious influence is much mitigated when dissimilar qualities are mingled with that influence.
段落 tetra-1-diurnaland-3public-domain (Ashmand 1822)
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