´It 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."
Hadith ReferenceSunan an-Nasa'i / The Book of Oaths and Vows / Hadith: 3832
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:متفق عليه