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A book is a mirror: if an ape looks into it, an apostle is unlikely to look out.
书是一面镜子:如果一只猿猴往里看,使徒不太可能往外看。
Ah, make the most of what we yet may spend, Before we too into the Dust descend; Dust into Dust, and under Dust to lie, Sans Wine, sans Song, sans Singer, and—sans End!
Mathematics allows us to see the hidden structures that govern the world around us.