"A Discourse On The Meaning Of Disease Of Heart" delves into the profound concept of the "disease of the heart" as articulated in Islamic teachings. This metaphorical phrase is often used to describe various spiritual ailments, such as hypocrisy, envy, and pride, that can afflict one's inner self, leading to a disconnection from God and moral degradation. The author provides a thorough analysis of Qur'anic verses and Hadiths that address the heart's condition, emphasizing the importance of maintaining a healthy spiritual state for genuine faith and piety. The discourse explores how these spiritual diseases manifest in human behavior, impacting interpersonal relationships and one's connection with the Divine. Through this examination, the book emphasizes the necessity of self-reflection and repentance, encouraging readers to recognize and remedy their spiritual ailments. It serves as a guide for those seeking to purify their hearts and cultivate virtues that foster closeness to God and moral integrity. By connecting theological concepts with practical implications, this discourse invites readers to engage in a journey of self-improvement and spiritual awakening, highlighting the vital role of the heart in one's faith and ethical conduct.