Sunan an-Nasa'i 3728
سنن النسائي#3728Sahihأَخْبَرَنَا أَحْمَدُ بْنُ سُلَيْمَانَ، قَالَ أَنْبَأَنَا عُبَيْدُ اللَّهِ، عَنْ إِسْرَائِيلَ، عَنْ عَبْدِ الْكَرِيمِ، عَنْ عَطَاءٍ، قَالَ نَهَى رَسُولُ اللَّهِ صلى الله عليه وسلم عَنِ الْعُمْرَى وَالرُّقْبَى . قُلْتُ وَمَا الرُّقْبَى قَالَ يَقُولُ الرَّجُلُ لِلرَّجُلِ هِيَ لَكَ حَيَاتَكَ . فَإِنْ فَعَلْتُمْ فَهُوَ جَائِزَةٌ .
Abdul-Karim narrated from 'Ata', who said:"The Messenger of Allah forbade 'Umra and Ruqba." I said: "What is Ruqba?" He said: "When one man says to another: 'This belongs to you for the rest of your life.' But if you do that, it is permissible
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 34:10