Sahih Muslim Book: 25, Hadith: 4278

حَدَّثَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، وَعَبْدُ بْنُ حُمَيْدٍ، – وَاللَّفْظُ لِعَبْدٍ – قَالاَ أَخْبَرَنَا عَبْدُ، الرَّزَّاقِ أَخْبَرَنَا مَعْمَرٌ، عَنِ الزُّهْرِيِّ، عَنْ أَبِي سَلَمَةَ، عَنْ جَابِرٍ، قَالَ إِنَّمَا الْعُمْرَى الَّتِي أَجَازَ رَسُولُ اللَّهِ صلى الله عليه وسلم أَنْ يَقُولَ هِيَ لَكَ وَلِعَقِبِكَ ‏.‏ فَأَمَّا إِذَا قَالَ هِيَ لَكَ مَا عِشْتَ ‏.‏ فَإِنَّهَا تَرْجِعُ إِلَى صَاحِبِهَا ‏.‏ قَالَ مَعْمَرٌ وَكَانَ الزُّهْرِيُّ يُفْتِي بِهِ ‏.‏ Jabir (Allah be pleased with him) said:The Umra for which Allah’s Messenger (may peace be upon him) gave sanction that a person way say: This (property) is for you and for your descendants. And when he said: That is for you as long as you live, then it will return to its owner (after the death of the donee). Ma’mar said: Zuhri used to give religious verdict according to this. Chain : Ishaq bin Ibrahim bin Muhammad – ‘Abd bin Hameed bin Nasr – ‘Abdur-Razzaq – Ma’mar bin Rashid...