Idle Hours in a Library

Category： Author：novel 

The title of this little volume was chosen because it seems to indicate a characteristic possessed in common by the otherwise unrelated essays here brought together. They may all be described in a general way as holiday tasks—the results of many hours of quiet but rather aimless browsing among books, and not of special investigations, ...

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On the Heavens 论天

Category： Author：novel 

According to Aristotle in On the Heavens, the heavenly bodies are the most perfect realities, (or "substances"), whose motions are ruled by principles other than those of bodies in the sublunary sphere. The latter are composed of one or all of the four classical elements (earth, water, air, fire) and are perishable; but the matter of w...

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