taking muscular exercises, but you must not forget that the mind
is associated with muscle and nerve. When you steady your nerves
and muscles, you steady your mind, but let your nerves get out of
order and your mind will become erratic and you will not possess
the power of direction, which, in other words, is concentration.
Therefore you understand how important exercises that steady the
nerves and muscles are in developing concentration.

Everyone is continually receiving impulses that must be directed
and controlled if one is to lead a successful life. That is the
reason why a person must control the movements of his eyes, feet,
fingers, etc.; this is another reason why it is important to
control his breathing. The slow, deep, prolonged exhalations are
of wonderful value. They steady the circulation, the heart
action, muscles and nerves of the mind. If the heart flutters,
the circulation is not regular, and when the lung action is
uneven, the mind becomes unsteady and not fit for concentration.
This is why controlled breathing is very important as a
foundation for physical health.

You must not only concentrate your mind, but also the action of
the eyes, ears and fingers. Each of these contain miniature minds
that are controlled by the master engineer. You will develop much
quicker if you thoroughly realize this.

If you have ever associated with big men, or read their
biographies, you will find that they usually let the others do
the talking. It is much easier to talk than it is to listen.
There is no better exercise for concentration than to pay close
attention when some one is talking. Besides learning from what