Keeping Fit Author:Orison Swett Marden 1914. When the body is in superb physical condition, it stimulates the mind and develops its maximum of the force that creates, that accomplishes. When the body is down the mind is down, all life's standards are down, and the whole nature is demoralized. Contents: keeping fit; miracle of food; what to eat; vegetable of mixed diet, which? nature'... more »s own food; how food affects character; culinary crimes; appetite and joy in eating; overeating; eating for efficiency; foods, fads and habits; fatigue poison; how nature mothers us; what to eat after fifty; masterfulness and the great out doors.« less