《Tetrabiblos》Masculine And Feminine SignsClaudius Ptolemy（Ashmand 英譯 1822）
They also consider the first tropical sign to be that in which the Moon is posited, because she undergoes more frequent and rapid changes and variations than any other heavenly body; and it is by a similar mode of reasoning that they establish the horoscope as the first masculine sign, on account of its being more immediately under the Sun.
段落 tetra-1-masculinea-7public-domain (Ashmand 1822)
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