مُسْنَدُ أَحْمَدَ
Musnad Ahmad 4014
Musnad of Abdullah bin Mas'ood
It was narrated that ‘Abdullah said: The Messenger of Allah (ﷺ) said: “If you are three, two should not converse (privately) to the exclusion of their companion, because that makes him sad.”
Musnad Ahmad 4040This hadeeth was narrated in the Maimaniyyah edition and in