Sunan an-Nasa'i 3709
سنن النسائي#3709SahihZaid narrated from Abu Az-Zubair, from Tawus, from Ibn 'Abbas that the Messenger of Allah said:"Do not give away your property on the basis of Ruqba, for whoever gives a gift on that basis, it belongs to the one to whom he gave it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 33:4