SHAFAQNA – What must be done to cure the illness of the heart? Imam Ali (AS) showed us the cure: To cure the blindness of your hearts, the healer of your body illnesses, the reformer of the destruction of your chests, the cleaner of your polluted worlds, the remover of the blindness of your eyes, and the medicine for the pains of your hearts, all and all are in one word, and that is Taqwa (Piety) . It is also narrated that: To revive your heart by (proper, reliable, and authentic) preaching .
 Mizanul Hekmah, Vol. 2, page 853.
 Tariq-e-Wasl, Page 9.