Hazrat Mahdi (as) will preach the moral values of Islam using the most sincere words

Hazrat Mahdi’s (as) method of communication will be one that affects the bottoms of people’s hearts and turns them toward Allah with the truest of hearts. Those who have turned away from the religion will return to their religious obligations, satisfaction and security. (Iqdud Durar, p. 156; Bihar al-Anwar, Vol. 53, pp. 36, 280)

In the hadith it is described how Hazrat Mahdi (as) will employ a highly sincere method in telling people of the moral values of Islam. Allah will manifest His title of “Al-Hadi” (The Guide) and have them led to salvation through Hazrat Mahdi’s (as) sincerity. In the time of Hazrat Mahdi (as), people will believe in Allah with sincere hearts, and those whose belief is weak will be strengthened in faith. One of the reasons for the emphasis on Hazrat Mahdi’s (as) sincerity in describing the moral values of Islam, is that in his time people will not generally behave with any sincerity. In the hadith it is also noted that believers’ hearts will be satisfied and that a climate of security will arise.