Sunan an-Nasa'i 3801
سنن النسائي#3801SahihIt was narrated from 'Abdullah bin 'Umar that the Messenger of Allah forbade vows and said:"They do not bring any good; they are just a means of taking wealth from the miserly
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 - Agreed Upon
In-book reference: 35:41