Reasons of Muslim Decadence in Morteza Motahari  s Thought

The decadence of Muslim is an important subject in contemporary history and accordance with the community ‘s awareness and sensitivity to it, has always been a source of change. Muslims in the early centuries of history have brilliant civilization, however, especially from the Renaissance onward, unlike the progress of West, they have been involved in decadence and have created the Islamist Movement in Islamic societies. Ayatollah Morteza Motahari is one of the modernity seminaries and religious revivalists that his thoughts has important role in the reconstruction and redefining of Islamic teachings in the modern era. In this paper by intentional interpretation method, we survey the decadence of Muslim in his thoughts. According to the article achievements, Motahari detected that reasons of decadence are in Muslim history beliefs and foreign intervention, and the solution is correct ijtihad in meeting the requirements of time, correcting distortions and establishing an Islamic government.