Sunan an-Nasa'i 3723
سنن النسائي#3723Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ عُبَيْدِ اللَّهِ بْنِ يَزِيدَ بْنِ إِبْرَاهِيمَ، قَالَ أَخْبَرَنِي أَبِي أَنَّهُ، عَرَضَ عَلَىَّ مَعْقِلٌ عَنْ عَمْرِو بْنِ دِينَارٍ، عَنْ حُجْرٍ الْمَدَرِيِّ، عَنْ زَيْدِ بْنِ ثَابِتٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَنْ أَعْمَرَ شَيْئًا فَهُوَ لِمُعْمَرِهِ مَحْيَاهُ وَمَمَاتَهُ وَلاَ تَرْقُبُوا فَمَنْ أَرْقَبَ شَيْئًا فَهُوَ لِسَبِيلِهِ " .
It was narrated that Zaid bin Thabit said:The Messenger of Allah said: "Whoever gives a life-long gift, it belongs to the one to whom he gave it, both during his life and after his death. And do not give things on the basis of Ruqba, for whoever is given something on the basis of Ruqba, it becomes part of his estate
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: 34:5