مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3815
Musnad of Abdullah bin Mas'ood
It was narrated that 'Abdullah bin Masood (رضي الله عنه) said: The Messenger of Allah (ﷺ) said: "Accept invitations and do not reject gifts, and do not strike the Muslims."
Musnad Ahmad 3838Its isnad is jayyid]