And as five zones the ethereal regions bind, Five, correspondent, are to earth assign’d: The sun, with rays directly darting down, Fires all beneath, and fries the middle zone; The two beneath the distant poles complain Of endless winter, and perpetual rain. Betwixt the extremes, two happier climates hold The temper that partakes of hot and cold. The fields of liquid air, enclosing all, Surround the compass of this earthly ball: The lighter parts lie next the fires above, The grosser near the watery surface move: Thick clouds are spread, and storms engender there, And thunder’s voice, which wretched mortals fear, And winds, that on their wings cold winter bear. Nor were those blust’ring brethren left at large, On seas and shores their fury to discharge: Bound as they are, and circumscribed in place, They rend the world, resistless, where they pass, And mighty marks of mischief leave behind; Such is the rage of their tempestuous kind. First Eurus to the rising morn is sent (The regions of the balmy continent), And eastern realms, where, early, Persians run