"'Tis that which makes exercise a sport, and walking abroad the enjoyment of your liberty.
"'Tis that which makes fertile and increaseth the natural endowments of your mind, and preserves them long from decay, makes your wit acute, and your memory retentive.
"'Tis that which supports the fragility of a corruptible body, and preserves the verdure, vigour, and beauty of youth.
"'Tis that which makes the soul take delight in her mansion, sporting herself at the casements of your eyes.
"'Tis that which makes pleasure to be pleasure, and delights, delightful, without which you can solace yourself in nothing of terrene felicities or enjoyments.
"Now take a view of yourself when health has turned its back upon you, and deserts your company; see then how the scene is changed, how you are robbed of and spoiled of all your comforts and enjoyments.
"Sleep that was stretched out from evening to the fair, bright day, is now broken into pieces and subdivided, not worth the accounting; the night that before seemed short is now too long, and the downy bed presseth hard against the bones.
"Exercise is now toyling, and walking abroad the carrying of a burthen.
"The eye' that flasht as lightning is now like the opacous body of a thick cloud;—that rolled from east to west swifter than a celestial orb, is now tired
