This report explores three timeless prayers and devotional practices taught by the Prophet Muhammad. These practices are believed to instill a unique sense of mental peace and tranquility in the heart. The discussion centers on the power of *zikir* (remembrance of God) and *dua* (supplication) as tools for achieving inner peace. The teachings aim to fill one’s life with serene happiness and contentment. Engaging with these prayers is presented as a path toward emotional and spiritual well-being. The text suggests these are universally beneficial practices for those seeking solace and peace of mind. Ultimately, the focus is on how these spiritual exercises provide comfort and a sense of calm.