(43) باب الاِسْتِثْنَاءِ .
It was narrated that Abu Hurairah said:
"The Messenger of Allah said: 'Whoever swears an oath and says: "If Allah wills, then he has made an exception."'" (DE)
Reference (DE): Sunan an-Nasa'i 3855 (DE)
In-book reference (DE): Book 35, Hadith 95 (DE)
English translation (DE): Vol. 4, Book 35, Hadith 3886 (DE)