Arabic (Original)
حَدَّثَنَا عُبَيْدُ بْنُ أَبِي قُرَّةَ حَدَّثَنَا سُلَيْمَانُ يَعْنِي ابْنَ بِلَالٍ عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ عَنِ ابْنِ عُمَرَ عَنْ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ مَنْ كَانَ حَالِفًا فَلَا يَحْلِفْ إِلَّا بِاللَّهِ عَزَّ وَجَلَّ وَكَانَتْ قُرَيْشٌ تَحْلِفُ بِآبَائِهَا فَقَالَ لَا تَحْلِفُوا بِآبَائِكُمْ.
English Translation
Ubayd ibn Abi Qurrah told us, Sulayman - meaning Ibn Bilal - told us, from Abd Allah ibn Dinar, from Ibn Umar, from the Prophet (peace and blessings be upon him), who said: "Whoever is going to swear, let him swear only by Allah, Mighty and Majestic." The Quraysh used to swear by their forefathers, so he said: "Do not swear by your forefathers."