The unity of prophets religion from the view point of the author of Manahej Albayan

One of the disputable issues among religious researchers and in philosophy of religion is about the rightness and saving power of various religions. some noticing various or apposing religions around the world offered different ideas about the rightness or power of these religions in saving their followers. some others believed that based on the teachings of Quran and Ahlul Bayt the religion of God and messages of all prophets are the same and actions or final of each individual can be studied independent of different present religions. In the present study, the author brought up a theory from one the contemporary interpreters regarding this issue, reviewed his ideas about these subjects: the religion accepted by God, the reason of controversy among Prophet's nations, the unity of religion and disagreement among ways and lifestyles of prophets, the condition of saving people and the feedback of good deeds of unfaithful.