مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3631
Musnad of Abdullah bin Mas'ood
It was narrated from 'Abdullah bin Mas'ood (رضي الله عنه) that The Prophet (ﷺ) said: “Indeed, those who go to extremes are doomed,” three times.
Musnad Ahmad 3655Its isnad is saheeh, Muslim (2670)]