You do not follow the Teaching of the Universal White Brotherhood just to listen to lectures or read books that nourish your mind; you follow this Teaching in order to link yourself with heaven, to experience spiritual emotions that will allow you to discover new dimensions within you. This is why you must undertake an inner work in which the heart and soul play the greatest part.
Your intellect should serve only to show you the best path to follow and the reasons why you should follow it, nothing more.
All the rest of the work must be done by the heart, the soul and the spirit.
The intellect only touches the surface, not that which is essential.