Sahih Muslim 269
صحيح مسلم#269Sahihوَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، وَأَبُو كُرَيْبٍ قَالاَ حَدَّثَنَا أَبُو مُعَاوِيَةَ، عَنِ الأَعْمَشِ، عَنْ أَبِي سُفْيَانَ، عَنْ جَابِرٍ، قَالَ أَتَى النَّبِيَّ صلى الله عليه وسلم رَجُلٌ فَقَالَ يَا رَسُولَ اللَّهِ مَا الْمُوجِبَتَانِ فَقَالَ " مَنْ مَاتَ لاَ يُشْرِكُ بِاللَّهِ شَيْئًا دَخَلَ الْجَنَّةَ وَمَنْ مَاتَ يُشْرِكُ بِاللَّهِ شَيْئًا دَخَلَ النَّارَ " .
It is narrated on the authority of Jabir that a man came to the Messenger of Allah (ﷺ) and said:Messenger of Allah, what are the two things quite unavoidable? He replied: He who dies without associating anyone with Allah would (necessarily) enter Paradise and he who dies associating anything with Allah would enter the (Fire of) Hell
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: 1:175