"Diseases of the Soul - 3: Envy (Hasad)" is a thorough examination of the destructive emotion of envy (Hasad) from an Islamic perspective. This book explores the causes and consequences of envy, highlighting how it harms both the individual who harbors it and the community at large. Through Quranic teachings, Hadith, and insights from Islamic scholars, the book delves into the spiritual and moral dangers of envy, identifying it as a major sin that can lead to a host of other negative behaviors. It provides practical advice on how to recognize, combat, and overcome envy through spiritual practices, self-reflection, and strengthening one’s faith. As the third installment in the "Diseases of the Soul" series, this book is essential for those seeking to purify their hearts and maintain a healthy, balanced spiritual life.