Al-Sadr and its Expansion : It guides him to knowledge, dream and the righteousness of the situation . The wideness and tightness of the heart and chest is against that . Perhaps he pointed his chest to his chest, box, and bag, and all that he considers the best of his belongings and the soul of his money, because the heart is in it, and the heart is the place of the secret of every contract, and it was said that tightness of the chest indicates miserliness, and its capacity indicates generosity .