mind; and it is in overcoming this that concentration is acquired. A scattered and undisciplined army would be useless. To make it effective in action and swift in victory it must be solidly concentrated and masterfully directed. Scattered and diffused thoughts are weak and worthless. Thoughts marshalled, commanded, and directed upon a given point, are invincible; confusion, doubt, and difficulty give way before their masterly approach. Concentrated thought enters largely into all successes, and informs all victories.
There is no more secret about its acquirement than about any other acquisition, for it is governed by the underlying principle of all development, namely, practice. To be able to do a thing, you must begin to do it, and keep on doing it until the thing is mastered.
