Sahih Muslim 1633
صحيح مسلم#1633Sahihوَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، وَأَبُو كُرَيْبٍ قَالاَ حَدَّثَنَا أَبُو مُعَاوِيَةَ، ح وَحَدَّثَنَا أَبُو كُرَيْبٍ، وَأَبُو سَعِيدٍ الأَشَجُّ - وَاللَّفْظُ لأَبِي كُرَيْبٍ - قَالاَ حَدَّثَنَا وَكِيعٌ، كِلاَهُمَا عَنِ الأَعْمَشِ، عَنْ حَبِيبِ بْنِ أَبِي ثَابِتٍ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ جَمَعَ رَسُولُ اللَّهِ صلى الله عليه وسلم بَيْنَ الظُّهْرِ وَالْعَصْرِ وَالْمَغْرِبِ وَالْعِشَاءِ بِالْمَدِينَةِ فِي غَيْرِ خَوْفٍ وَلاَ مَطَرٍ . فِي حَدِيثِ وَكِيعٍ قَالَ قُلْتُ لاِبْنِ عَبَّاسٍ لِمَ فَعَلَ ذَلِكَ قَالَ كَىْ لاَ يُحْرِجَ أُمَّتَهُ . وَفِي حَدِيثِ أَبِي مُعَاوِيَةَ قِيلَ لاِبْنِ عَبَّاسٍ مَا أَرَادَ إِلَى ذَلِكَ قَالَ أَرَادَ أَنْ لاَ يُحْرِجَ أُمَّتَهُ .
Ibn 'Abbas reported that the Messenger of Allah (ﷺ) combined the noon prayer with the afternoon prayer and the sunset prayer with the 'Isha' prayer in Medina without being in a state of danger or rainfall. And in the hadith transmitted by Waki' (the words are):" I said to Ibn 'Abbas: What prompted him to do that? He said: So that his (Prophet's) Ummah should not be put to (unnecessary) hardship." And in the hadith transmitted by Mu'awiya (the words are):" It was said to Ibn 'Abbas: What did he intend thereby? He said he wanted that his Ummah should not be put to unnecessary hardship
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 6:64