Sunan Ibn Majah 112
سنن ابن ماجه#112SahihIt was narrated that 'Aishah said:The Messenger of Allah said: "O 'Uthman, if Allah places you in authority over this matter (as the caliph) some day and the hypocrites want to rid you of the garment with which Allah has clothed you (i.e., the position of caliph), do not take it off." He said that three times. (One of the narrators) Nu'man said: "I said to 'Aishah: 'What kept you from telling the people that?' She said: 'I was made to forget it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Zubair Ali ZaiSahih