As soon as the patient's secret is known to the healer, he has really made a successful operation in the invisible heart and taken out all the poisonous substance which was causing the sickness and leading the patient to his death. He then releases him from this by words of consolation, by fragrance, by music, by the recitation of the names of God, and by reflecting upon the heart of the obsessed his own wisdom and piety. No doubt there are very few, even in the East, who could give the right treatment; and mostly there are real devils amongst those who profess to cast out devils.