The Prophet ﷺ said, "Do not hate one another, do not turn your backs on one another, do not shun one another. Be servants of Allah, brothers to each other."
وبهذا الإسناد أن النبي ﷺ قال لا تباغضوا ولا تدابروا ولا تنافروا وكونوا عباد الله إخوانا
Its isnad is sahih. It previously occurred at 7862, and it appears in similar form in Bukhari 8/23, in the Book of Manners, chapter on the prohibition of mutual envy, and in Muslim 4/1983, no. 2559, in the Book of Righteousness, chapter on the prohibition of mutual envy.