Muwatta Malik 1791
موطأ مالك#1791SahihMalik related to me from Abdullah ibn Dinar that Abdullah ibn Umar said, "I saw the Messenger of Allah, may Allah bless him and grant him peace, pointing at the east and saying, 'The cause of dissension is here. The cause of dissension is here, from where the helpers of shaytan arise
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliSahih
In-book reference: 54:29