Sunan an-Nasa'i 3802
سنن النسائي#3802SahihIt was narrated that 'Abdullah bin 'Umar said:"The Messenger of Allah forbade vows and said: 'They do not change anything; 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 ZaiHasan
In-book reference: 35:42