Excellence of Leading an Ascetic Life, and Virtues of Simple Life Riyad as-Salihin 469
Arabic hadith text
وعنه قال: قال رسول الله صلى الله عليه وسلم "الدنيا سجن المؤمن وجنة الكافر" ((رواه مسلم)).
Translation
Abu Hurairah (May allah be pleased with him) reported
Messenger of Allah (ﷺ) said: "The world is the believer's prison and the infidel's Jannah".[Muslim].