This book explores the religious experiences of two notable figures who endured severe trials under authoritarian regimes: Bediuzzaman Said Nursi (1877–1960) within the Islamic tradition, and Aleksander Solzhenitsyn (1918–2008) within the Russian Orthodox Christian tradition. Against the tumultuous backdrop of the twentieth century’s spiritual, social, political, and intellectual upheavals, both Nursi and Solzhenitsyn grappled with immense hardships because of their beliefs. Despite immense tribulations, both individuals demonstrated unwavering faith and resilience in the face of adversity, continuing their scholarly and literary activities. The current study centers on the dichotomy of spiritual confinement and expansiveness, illustrating how people can experience spiritual distress even without physical restraints. It explores the historical and conceptual aspects of imprisonment within Christian and Muslim perspectives, explores the reasons for Nursi and Solzhenitsyn's
