《Tetrabiblos》Knowledge May Be Acquired By Astronomy To A Certain ExtentClaudius Ptolemy（Ashmand 英譯 1822）
For, although the greatest multiplicity of power exists in the Ambient, and although all other things act as concurrent causes in unison with it, and can never claim it as a concurrent cause in subservience to them, there will still, nevertheless, be a great deficiency in predictions attempted to be made by means of the heavenly motions alone, without regard to the other concurrent causes just now adverted to.
段落 tetra-1-knowledgem-42public-domain (Ashmand 1822)
↗ 開啟公有領域原文（Wikisource）此段為公有領域典籍逐字擷取，零 AI 生成；原文亦存繁化前底本，可逐字審計。我們寧可少引、不可錯引——驗不過的引文一律捨棄。