Physical fitness is the first requisite of happiness.

Physical fitness is the first requisite of happiness. In order to achieve happiness, it is imperative to gain mastery of your body. If at the age of 30 you are stiff and out of shape, you are old. If at 60 you are supple and strong then you are young.

The lungs cannot be completely deflated at first without considerable effort. With perseverance, however, the desired results can be accomplished and with increasing power, gradually and progressively develop the lungs to their maximum capacity.

Contrology is not a fatiguing system of dull, boring, abhorred exercises repeated daily "ad-nauseam." Neither does it demand you joining a gymnasium nor the purchasing of expensive apparatus. You may derive all the benefits of Contrology in your own home.

Breathing is the first act of life and the last. Our very life depends on it. Since we cannot live without breathing it is tragically deplorable to contemplate the millions and millions who have never mastered the art of correct breathing.

By all means never fail to get all the sunshine and fresh air you can.

Above all, learn to breathe correctly.