《Tetrabiblos》The Duration Of LifeClaudius Ptolemy（Ashmand 英譯 1822）
Of all events whatsoever, which take place after birth, the most essential is the continuance of life: and as it is, of course, useless to consider, in cases wherein the life of a child does not extend to the period of one year, what other events contingent on its birth might otherwise have subsequently happened, the inquiry into the duration of life consequently takes precedence of all other questions, as to the events subsequent to the birth.
段落 tetra-3-theduratio-1public-domain (Ashmand 1822)
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