Imam Bukhari narrates: Umar bin Hafs narrated to us, he said: My father narrated to us, he said: al-A'mash narrated to us, he said: I heard Salim, he said: I heard Umm al-Darda, she relates that

Abu al-Darda, may Allāh be pleased with him, came to me, and he was angry at that time. I asked: Who has angered you? He said: By Allāh! I do not recognize anything from the Ummah of Sayyiduna Muhammad ﷺ, except that they pray in congregation.