all Ranks of men, for they that are poor and forced to labour, are recompensed with the rich Jewel of health, better then which nothing can here be found. Exercise doth increase health, and strength, also it moves and agitates the spirits, from whence the heart is made strong, and can resist external injuries, and is fit to undergo all actions, and good nourishment is made, and vitious excrementitious vapours are discussed, on the contrary, those bodies that live idly, are soft and tender, and unfit to perform labors of every kind, as Dancing, Running, Play∣ing at Ball, Gesture of Body, Riding, Swimming, Walking and all others, but divers exercise have different force, and some exercise, some parts more then others, in walking the Legs are most exercised, in handling of Weapons the Arms, in singing speaking loud, and clear Reading, with a loud voice the Lungs, Breast and Face, but the playing with a Ball, Gallen that great Physitian, hath writ a peculiar book in commendations of that exercise above any other, by reason it exercises the whole body, also there is a great difference according to strength used, or magnitude in motion, for example, swift motions attenuates the bo∣dy,