The actual performance of transmuting desire into money involves the use of auto-suggestion as an agency. By which one may reach, and influence, the subconscious mind. The other principles are simply tools with which to apply auto-suggestion. Keep this thought in mind, and you will, at all times, be conscious of the important part the principle of auto-suggestion is to play in your efforts to accumulate money through the methods described in this book.
Carrying out these instructions as though you were a small child. Inject into your efforts something of the faith of a child. The author has been most careful to see that no impractical instructions were included, because of this sincere desire to be helpful.
~ Napoleon Hill, Think & Grow Rich