The Messenger of Allah ﷺ said, "The world is the prison of the believer and the paradise of the disbeliever."
قال رسول الله ﷺ: الدنيا سجن المؤمن، وجنة الكافر.
Muslim narrated it in the Book of Asceticism and Softening of Hearts (2956) from Qutayba bin Saeed, who said, Abdul-Aziz (meaning Darawardi) narrated to us from Ala, from his father, from Abu Hurairah, and he related the hadith. As for the saying, "This world is the prison of the believer," it means that the believer is imprisoned in this world, that is, kept away from forbidden and disliked desires. When he dies, he finds rest from this prison, and what Allah has prepared for him of everlasting bliss and pure comfort is turned over to him. This is a summary of what Nawawi mentioned.As for what is reported from Abdullah bin Amr in a raised form, "The gift of the believer is death," it is daif. Abd bin Humayd narrated it in al-Muntakhab (347) from Yahya bin Abdul-Hameed, who said, Ibn Mubarak narrated to us from Yahya bin Ayub, from Bakr bin Amr, from Abdul-Rahman bin Ziyad, from Abu Abdul-Rahman Hubli, from Abdullah bin Amr, who related it. Hakim also transmitted it (4/319) through Abdullah bin Mubarak and graded it sahih. Dhahabi followed up on this and said, Abdul-Rahman bin Ziyad is Afriqi, and he is daif.I say, it is as Dhahabi said, for the people of knowledge agreed on weakening Abdul-Rahman bin Ziyad bin Anam Afriqi, to the point that Ibn Hibban said of him, "He relates fabricated material from trustworthy narrators, and he practices tadlis." Munziri mentioned this hadith in al-Targhib wal-Tarhib (5249) and attributed it to Tabarani, saying, "Its chain is good," and he too was among those who were lenient in grading it sahih.Likewise, what is reported from Abdullah bin Amr in a raised form is also not sound, "This world is the prison of the believer and his season of hardship, so when he departs this world, he departs both the prison and the hardship." Imam Ahmad narrated it (6855) from Ali bin Ishaq, who said, Abdullah (meaning Ibn Mubarak) informed us, Yahya bin Ayub informed us, Abdullah bin Junada Maafiri informed me, that Abu Abdul-Rahman Hubli told him, from Abdullah bin Amr, who related it. Abd bin Humayd also transmitted it in al-Muntakhab (346) through Abdullah bin Mubarak. Hakim also transmitted it (4/315) through Saeed bin Abu Maryam, from Yahya bin Ayub, with the same chain.In it is Abdullah bin Junada Maafiri, who is unknown, since no one has affirmed his reliability. Ibn Hibban merely mentioned him in al-Thiqat (7/23), following his usual practice of affirming the reliability of unknown narrators, and he said, "Saeed bin Abu Ayub related from him." Haythami followed him in this, saying in al-Majmu (10/288), "Ahmad and Tabarani narrated it in abridged form, and the narrators of Ahmad's version are the narrators of the sahih collections, except for Abdullah bin Junada, who is trustworthy."I say, not at all, rather he is unknown. As for his saying "his season of hardship," the word sanah, with a fatha on the sin and a light nun, means drought and famine.On this subject there is also what is reported from Ibn Umar in a raised form, "This world is the prison of the believer and the paradise of the disbeliever." Bazzar narrated it in Kashf Astar (3645) from Harun bin Sufyan Mustamli, who said, Abdullah bin Kathir Madani narrated to us, Kathir bin Jafar bin Abu Kathir narrated to us, from Zayd bin Aslam, from Ibn Umar, who related it.Also, he narrated to us, Abdullah bin Shabib narrated to us, Ismail bin Abu Uways narrated to us, from Abu Zinad, from Musa bin Uqba, from Abdullah bin Dinar, from Ibn Umar, who related it. Bazzar said, "We do not know of it being related from Ibn Umar except through these two routes." Haythami mentioned it in al-Majmu (10/289) and said, "Bazzar narrated it through two chains, one of them daif, and the other contains a group of narrators I do not recognize."