Page:The Art of Preserving Health - A Poem in Four Books.djvu/20

12 Too stretch'd a tone: And hence in climes adust So sudden tumults seize the trembling nerves, And burning fevers glow with double rage. Fly, if you can, these violent extremes Of air; the wholesome is nor moist nor dry. But as the power of chusing is deny'd To half mankind, a further task ensues; How best to mitigate these fell extreams, How breathe unhurt the withering element, Or hazy atmosphere: Tho' custom moulds To every clime the soft Promethean clay; And he who first the fogs of Essex breath'd (So kind is native air) may in the fens Of Essex from inveterate ills revive At pure Montpelier or Bermuda caught. But if the raw and oozy heaven offend, Correct the soil, and dry the sources up Rh