At least 90 percent of our mental life is subconscious, those who fail to make use of this mental power live within very narrow limits. The subconscious can and will solve any problem for us if we know how to direct it.
The mind which pervades the body is largely the result of heredity which in turn is simply the result of the environment of all past generations. Understanding of this fact will enable us to use our authority when we find some undesirable traits of character manifesting.