From Sahih Bukhari (Hadith 3795):
Narrated Anas bin Malik:Allah's Messenger (ﷺ) said, "There is no life except the life of the Hereafter; so, O Allah! Improve the state of the Ansar and the Muhajirun." And Anas added that the Prophet (ﷺ) also said, "O Allah! Forgive the Ansar
Reference: Bukhari 3795