《Tetrabiblos》The Places And Degrees Of Every PlanetClaudius Ptolemy（Ashmand 英譯 1822）
This rule is not only clearly stated by writers on the subject, but is also especially evident by the demonstration constantly afforded, that their natures, influences and familiarities have no other origin than from the tropics and equinoxes, as has been already plainly shown.[59] And, if other beginnings were allowed, it would either be necessary to exclude the natures of the signs from the theory of prognostication, or impossible to avoid error in then retaining and making use of them; as the regularity of their spaces and distances, upon which their influence depends, would then be invaded and broken in upon.
段落 tetra-1-theplacesa-6public-domain (Ashmand 1822)
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