"Diseases of the Soul - 6: Pretending Virtuousness (Riya)" delves into the subtle yet perilous sin of Riya, or ostentation, where one performs good deeds with the intent of impressing others rather than seeking the pleasure of Allah. This book provides a thorough examination of how Riya manifests in various aspects of worship and daily life, corrupting the sincerity of one's actions and leading to spiritual decay. By drawing on Quranic verses, Hadith, and the teachings of Islamic scholars, the book explores the dangers of Riya, emphasizing how it undermines true faith and devotion. It offers practical advice on recognizing and overcoming the desire for outward approval, guiding readers towards a path of genuine piety and spiritual integrity. As the sixth installment in the "Diseases of the Soul" series, this book is crucial for those striving to purify their intentions and cultivate sincerity in their worship and conduct.