Ashshahadah, or the Shahada, is the Islamic declaration of faith, stating that "There is no god but Allah, and Muhammad is His messenger." It is one of the Five Pillars of Islam and serves as a fundamental expression of a Muslim's belief and commitment to the faith. Reciting the Shahada with sincerity is essential for someone to officially convert to Islam. This proclamation emphasizes both monotheism and the importance of Muhammad's role as the final prophet.