Introduction One of the important concerns of human being is to achieve serenity. Different divine and human schools offer different solutions. In this regard, in the Islamic school with the basis of the Holy Qur’ an and the traditions of Imams, several COGNITIVE and practical approaches have been recommended to achieving serenity. The aim of this study was to review the provisions of Surah Mobarakeh Fajr and provide a COGNITIVE-religious strategy for achieving serenity and CONFIDENCE. The method was a library research with a content analysis style, in which related verses and narratives were analyzed. Conclusion According to the doctrines of Surah Mobarakeh Fajr, the path of reaching serenity from the COGNITIVE-religious dimension, the belief in the wisdom of God and the realistic attitude towards all blessings, events, conditions, and situations are based on divine true traditions, including the tradition of trouble and experiment. Like other divine traditions, the philosophy of the tradition of trouble is the fulfillment of God’ s progressive guidance. Based on the doctrines of Surah Mobarakeh Fajr, “ trouble approach to the blessings and all the pleasant and unpleasant situations” has been introduced as an effective and contributing factor in achieving heart serenity and CONFIDENCE.