(39) باب الاِسْتِثْنَاءِ .
'Abdullah bin 'Umar 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 3828 (DE)
In-book reference (DE): Book 35, Hadith 68 (DE)
English translation (DE): Vol. 4, Book 35, Hadith 3859 (DE)