Full Sharh — Sahih al-Bukhari 6658
حَدَّثَنَا سَعْدُ بْنُ حَفْصٍ، حَدَّثَنَا شَيْبَانُ، عَنْ مَنْصُورٍ، عَنْ إِبْرَاهِيمَ، عَنْ عَبِيدَةَ، عَنْ عَبْدِ اللَّهِ، قَالَ سُئِلَ النَّبِيُّ صلى الله عليه وسلم أَىُّ النَّاسِ خَيْرٌ قَالَ " قَرْنِي، ثُمَّ الَّذِينَ يَلُونَهُمْ، ثُمَّ الَّذِينَ يَلُونَهُمْ، ثُمَّ يَجِيءُ قَوْمٌ تَسْبِقُ شَهَادَةُ أَحَدِهِمْ يَمِينَهُ، وَيَمِينُهُ شَهَادَتَهُ ". قَالَ إِبْرَاهِيمُ وَكَانَ أَصْحَابُنَا يَنْهَوْنَا وَنَحْنُ غِلْمَانٌ أَنْ نَحْلِفَ بِالشَّهَادَةِ وَالْعَهْدِ.
English Translation
Narrated `Abdullah:The Prophet (ﷺ) was asked, "Who are the best people?" He replied: The people of my generation, and then those who will follow (come after) them, and then those who will come after the later; after that there will come some people whose witness will precede their oaths and their oaths will go ahead of their witness." Ibrahim (a sub-narrator) said, "When we were young, our elder friends used to prohibit us from taking oaths by saying, 'I bear witness swearing by Allah, or by Allah's Covenant
Source
Sahih al-Bukhari(صحيح البخاري)
Oaths and Vows
Hadith Number
6658