(24) باب النَّهْىِ عَنِ النَّذْرِ،
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."
Reference: Sunan an-Nasa'i 3801
In-book reference: Book 35, Hadith 41
English translation: Vol. 4, Book 35, Hadith 3832