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)." (JA)
English reference (JA): Vol. 1, Book 6, Hadith 1633 (JA)
Arabic reference (JA): Book 6, Hadith 1702 (JA)