When we do not know how to pro ceed, we either hesitate or proceed in a bungling fashion; or, we may proceed under the guidance of a number of mis leading beliefs. And in connection with concentration there are several ideas and beliefs that have interfered greatly with the development of this art. In fact, methods have been given out, and published broadcast, that are supposed to develop concentration, but that pro duce the very opposite effect. These things, however, clear up when we learn the psychology of the subject.