In this series of 3 lectures Sheikh Murtadha Alidina explains the background and the level of importance of Dua Ahad, as well as explaining some crucial concepts of allegiance to the 12th Imam.
The lowliness of world in Allahís eyes can be seen by the fact that he is not disobeyed except in it, and what is with Him cannot be attained except by abandoning it Imam Ali (as)
