《Tetrabiblos》Friends And EnemiesClaudius Ptolemy（Ashmand 英譯 1822）
But, in the case of others, which subsist only occasionally, and which have been defined as casual intimacies and strifes, it is essential to make observation of the motions of the planets, as exhibited by each nativity; that is to say, the times are to be calculated, on the completion of which the motions of the planets of one nativity will cause them to enter on certain places of the other nativity; for it is at such periods that certain particular friendships and enmities occur, continuing for a short time, until the said ingress of the planets shall have passed over.
段落 tetra-4-friendsand-13public-domain (Ashmand 1822)
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