(31) باب النَّذْرِ فِيمَا لاَ يَمْلِكُ
It was narrated from 'Imran bin Husain that the Prophet said:
"There is no vow to commit an act of disobedience, and no vow concerning that which the son of Adam does not possess."
Reference: Sunan an-Nasa'i 3812
In-book reference: Book 35, Hadith 52
English translation: Vol. 4, Book 35, Hadith 3843