Mishkat al-Masabih

Anas told that when God’s Messenger returned from the expedition to Tabuk and approached Medina he said, “In Medina there are people who did not fail to be with you wherever you went and whatever wadi you crossed.” A version has, “Who have not failed to share your reward.” On their expressing surprise that that should be true when they were still in Medina, he said, “While they are still in Medina, being kept back by a valid excuse.” Bukhari transmitted it