Sunan Ibn Majah, Book 6, Hadith 1702 (In-Book) ⓘ
It was narrated that Ubayy bin Ka’b said: “We were with the Messenger of Allah and we all had a single focus, but when he passed away we started to look here and there (i.e., have different interests).”
حَدَّثَنَا إِسْحَاقُ بْنُ مَنْصُورٍ، أَنْبَأَنَا عَبْدُ الْوَهَّابِ بْنُ عَطَاءٍ الْعِجْلِيُّ، عَنِ ابْنِ عَوْنٍ، عَنِ الْحَسَنِ، عَنْ أُبَىِّ بْنِ كَعْبٍ، قَالَ كُنَّا مَعَ رَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ وَإِنَّمَا وَجْهُنَا وَاحِدٌ فَلَمَّا قُبِضَ نَظَرْنَا هَكَذَا وَهَكَذَا .
also referenced under: Hadith 1633 (Reference) & Volume 2, Book 6, Hadith 1633 (DarusSalam)