THE ART OF PRESERVING HEALTH A POEM

Of cold and hot, or moist and dry produce;They fly thy pure effulgence: they, and allThe secret poisons of avenging heaven,And all the pale tribes halting in the trainOf vice and heedless pleasure: or if aught30The comet’s glare amid the burning sky,Mournful eclipse, or planets ill-combin’d,Portend disastrous to the vital world;Thy salutary power averts their rage,Averts the general bane: and but for thee35Nature would sicken, nature soon would die..