(1) باب النَّهْىِ عَنِ الْحَلِفِ بِغَيْرِ اللَّهِ تَعَالَى
Ibn 'Umar heard Allah's Messenger (ﷺ) as saying:
He who has to take an oath, he must not take oath but by Allah. The Quraish used to take oath by their fathers. So he (the Holy Prophet) said: Do not take oath by your fathers. (RU)
Reference (RU): Sahih Muslim 1646 f (RU)
In-book reference (RU): Book 27, Hadith 6 (RU)
USC-MSA web (English) reference(deprecated numbering scheme): Book 15, Hadith 4040 (RU)