The Book of Oaths and Vows
35/4. Chapter:
The Stern Warning Against Swearing By Anything Other Than Allah
Sunan an-Nasai
أَخْبَرَنِي زِيَادُ بْنُ أَيُّوبَ، قَالَ حَدَّثَنَا ابْنُ عُلَيَّةَ، قَالَ حَدَّثَنَا يَحْيَى بْنُ أَبِي إِسْحَاقَ، قَالَ حَدَّثَنِي رَجُلٌ، مِنْ بَنِي غِفَارٍ فِي مَجْلِسِ سَالِمِ بْنِ عَبْدِ اللَّهِ قَالَ سَالِمُ بْنُ عَبْدِ اللَّهِ سَمِعْتُ عَبْدَ اللَّهِ، - يَعْنِي ابْنَ عُمَرَ - وَهُوَ يَقُولُ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِنَّ اللَّهَ يَنْهَاكُمْ أَنْ تَحْلِفُوا بِآبَائِكُمْ " .
Yahya bin Abi Ishaq said: "A man from Banu Ghifar told me, in the gathering of Salim bin 'Abdullah, Salim bin 'Abdullah said: 'I heard 'Abdullah -that is, Ibn 'Umar- say: "The Messenger of Allah said: 'Allah forbids you to swear by your forefathers.'"'"
Reference : Sunan an-Nasa'i 3765In-book reference : Book 35, Hadith 5English translation : Vol. 4, Book 35, Hadith 3796