حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ دَاوُدَ، عَنْ إِسْمَاعِيلَ بْنِ عَبْدِ الْمَلِكِ، عَنْ عَبْدِ اللَّهِ بْنِ أَبِي مُلَيْكَةَ، عَنْ عَائِشَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم خَرَجَ مِنْ عِنْدِهَا وَهُوَ مَسْرُورٌ ثُمَّ رَجَعَ إِلَىَّ وَهُوَ كَئِيبٌ فَقَالَ ‏"‏ إِنِّيدَخَلْتُ الْكَعْبَةَ وَلَوِ اسْتَقْبَلْتُ مِنْ أَمْرِي مَا اسْتَدْبَرْتُ مَا دَخَلْتُهَا إِنِّي أَخَافُ أَنْ أَكُونَ قَدْ شَقَقْتُ عَلَى أُمَّتِي ‏"
Translation
Narrated Aisha, Ummul Mu'minin

The Prophet (ﷺ) went out from my presence while he was joyful, then he returned to me while he was grieved, and said: "Verily, I entered the Ka'bah, and had I known beforehand regarding my affair what I came to know afterward, I would not have entered it. Verily, I fear that I may have caused hardship to my nation."