The Sufi teaches balance by posture and movement, which includes the control of the actions and the activity of the body; by the practice of Namaz, Wazifa, and Zikr he teaches the balance of the mind by concentration. To sit at home and close the eyes is not concentration; though the eyes are closed, the thoughts go on. It is important to choose the right object for concentration. By concentration and meditation a person experiences ecstasy; by the control of the self a person experiences the higher world or plane in which all things are one. For this the guidance of a murshid, a teacher, is needed, otherwise the balance will be lost; no one can accomplish this by himself. And if anyone could, he would become so interested in what he experienced there, that he would become absent from this world; absent-mindedness, even lunacy and many other evil consequences would result.