It Is Disliked To Swear By One's Forefathers
حَدَّثَنَا سُلَيْمَانُ بْنُ دَاوُدَ الْعَتَكِيُّ، حَدَّثَنَا إِسْمَاعِيلُ بْنُ جَعْفَرٍ الْمَدَنِيُّ، عَنْ أَبِي سُهَيْلٍ، نَافِعِ بْنِ مَالِكِ بْنِ أَبِي عَامِرٍ عَنْ أَبِيهِ، أَنَّهُ سَمِعَ طَلْحَةَ بْنَ عُبَيْدِ اللَّهِ يَعْنِي فِي، حَدِيثِ قِصَّةِ الأَعْرَابِيِّ قَالَ النَّبِيُّ صلى الله عليه وسلم " أَفْلَحَ وَأَبِيهِ إِنْ صَدَقَ دَخَلَ الْجَنَّةَ وَأَبِيهِ إِنْ صَدَقَ " .
Referring to the story of a bedouin, Talhah b. 'Ubaid Allah reported the Prophet (ﷺ) as saying: He became successful, by his father, if he speaks the truth, he will enter paradise, by his father, if he speaks truth.