When Nature gives an order there is no appeal to a higher court, and the excuse that a man has not the time to obey, or is doing something that his country most urgently needs, has no weight in that court.

When Nature touches a man on the shoulder and says, "Stop!" he stops.

The penalty of frayed nerves, overworked brains, and underworked bodies is failure of body and mind.

The premonitory symptoms are irritability, quarreling, depression, fierceness and inefficiency of effort, and finally complete breakdown.

Three to four hours a week physical exercise under a scientifically tested plan and arrangement will keep these men fit.