One knows that after violent exercise one breathes heavily for some time: the more violent the exercise, the longer one's respiration is laboured. — Archibald Hill Copy Share Image
“In their wild state, before the appearance of the white man among them, the principal complaints they were subject to were those produced by long involuntary fasting, violent exercise in pursuit of game, and over-eating. Instinct more than reason had… — Ulysses S. Grant Copy Share Image
