《Tetrabiblos》The ParentsClaudius Ptolemy（Ashmand 英譯 1822）
In these and in all other cases, the mode, in which the influences are commixed, must be carefully kept in view; and it must be observed whether any particular stars possess, in themselves alone, the operative cause, or whether others share dominion with them; and it is then to be seen which among them all are more powerful, and which of them take the lead in establishing the event: so that due inference may be drawn agreeably to their several natures.
段落 tetra-3-theparents-27public-domain (Ashmand 1822)
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