مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1624
Musnad Abu Ishaq Sa'd bin Abi Waqqas
It was narrated from Muhammad bin Sa'd bin Malik, that his father said: The Messenger of Allah (ﷺ) said: "It is not permissible for a Muslim to forsake his brother for more than three days."
Musnad Ahmad 1588Sahih (Darussalam) [