´It was narrated from Abu Hurairah that the Prophet said:` "Do not make vows, for a vow does not have any impact on the Qadar. Rather it is just a means of taking wealth from the miserly."
Hadith ReferenceSunan an-Nasa'i / The Book of Oaths and Vows / Hadith: 3836
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم