Instead of running about as does the youth, recklessly and with never a thought of being tired, he begins to favor himself by walking in the easiest possible way, until soon he is balancing on one foot and then tilting forward on the other, making no muscular effort and preferring the motor-car or the trolley whenever it is at hand.

As an inevitable result, some of the muscles atrophy, and even those that do not deteriorate speedily discover that they have no master, and they act when and how they please.
The man who is continually giving orders to subordinates and having other men do things for him, soon finds that he is unable to accomplish things for himself; then, if he is thrown on his own resources, he is helpless.

Take a group of men, executives, who for a dozen years have been ordering other men about instead of obeying orders, and you will find that for the most part these captains of industry have lost 50 per cent.

of their muscular control.

On the other hand, the man who is taking orders retains command over all his muscles, for he is daily and hourly training them to instant obedience.