As electricity is a great ...

As electricity is a great power in the world, so the inner mind is the greatest power available to you. Neither operates independently; both depend upon a separate agency to ignite them to action, and both bring helpful or harmful results according to the wisdom or ignorance with which they are directed.
 Roger McDonald

Quotes from the same author

Any picture firmly held in any mind, in any form, is bound to come forth. That is the great, unchanging universal law that, when we cooperate with it intelligently, makes us absolute masters of the conditions and situations in our lives.
 Roger McDonald
Believe me, you can have anything you want-and in abundance-when you learn to tune into the power within, an infinitely greater power than electricity, a power you have had from the beginning.
 Roger McDonald
So you can see that if you direct that force at several objectives, it becomes divided, and each objective receives a fairly weak stimulus, which results in a slow reaction, or no reaction at all. Do you have a great, ultimate goal to reach that requires attaining lesser objectives along the way? Well then, let the many lie inactive and direct your force at the nearest or first; once you accomplish that, take up the next and so on.
 Roger McDonald
Anything you undertake will be possible to accomplish.
 Roger McDonald