The Power of Concentration - Learn How to Concentrate
Автор:Q. Dumont Theron Q. Dumont Год: 2006 Издание:Книга по Требованию Страниц: 192 ISBN: 9781594624872 It is of the utmost value to learn how to concentrate. To make the greatest success of anything you must be able to concentrate your entire thought upon the idea you are working on. The person that is able to concentrate utilizes all constructive thoughts and shuts out all destructive ones...
