When the mind scatters, the body follows, for the two are one. You so often hear people say, "Nothing seems to interest me." All because, unknowingly, the habit of dividing the attention has become second nature. Such a one is never happy or healthy, for health and happiness are the result of concentration.

Every adult person has contracted more or less of this unnatural habit of dividing the attention, and just in proportion as he indulges the habit will he manifest disease.

It is in every man's power to again "become as a little child." And to do this he does not have to cultivate a new habit. He simply recalls the natural conditions.

Whatever a man turns his attention upon is concentrated within him. The process is not unlike that of photography. If his attention wanders he receives only "under time" impressions. If his attention is undivided, his full attention turned upon any object, thought, or train of thought, he receives a distinct impression; the object or train of thought is concentrated within him.

To recall this natural attitude of attention, of interest, is the one thing necessary to recall all the other conditions of childhood --- health, happiness, beauty and youthful appearance. Eternal youth is a result of eternal interest in living; the result of continued concentration.

The secret of concentration is interest, attention. If we will forget the very word "concentration" and practice being interested, we will find concentration naturally follow.

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All sorts of practices for concentration are good just as long as they are interesting. The moment you lose