It wasnarrated that Ubayy bin Ka'b said:
"We were with the MessengerofAllah (ﷺ) and we all had a single focus, but when he passed awaywestarted to look here and there (i.e., have different interests)." (DE)
English reference (DE): Vol. 1, Book 6, Hadith 1633 (DE)
Arabic reference (DE): Book 6, Hadith 1702 (DE)