Sahih Muslim , Hadith 28 ⓘ
It is narrated on the authority of Ubadah b. Samit that the messenger of Allah observed: He who said:" There is no god but Allah, He is One and there is no associate with Him, that Muhammad is his servant and His messenger, that Christ is servant and the son of His slave-girl and he (Christ) His word which He communicated to Mary and is His Spirit, that Paradise is a fact and Hell is a fact," Allah would make him (he who affirms these truths enter Paradise through any one of its eight doors which he would like.
حَدَّثَنَا دَاوُدُ بْنُ رُشَيْدٍ، حَدَّثَنَا الْوَلِيدُ، - يَعْنِي ابْنَ مُسْلِمٍ - عَنِ ابْنِ جَابِرٍ، قَالَ حَدَّثَنِي عُمَيْرُ بْنُ هَانِئٍ، قَالَ حَدَّثَنِي جُنَادَةُ بْنُ أَبِي أُمَيَّةَ، حَدَّثَنَا عُبَادَةُ بْنُ الصَّامِتِ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَنْ قَالَ أَشْهَدُ أَنْ لاَ إِلَهَ إِلاَّ اللَّهُ وَحْدَهُ لاَ شَرِيكَ لَهُ وَأَنَّ مُحَمَّدًا عَبْدُهُ وَرَسُولُهُ وَأَنَّ عِيسَى عَبْدُ اللَّهِ وَابْنُ أَمَتِهِ وَكَلِمَتُهُ أَلْقَاهَا إِلَى مَرْيَمَ وَرُوحٌ مِنْهُ وَأَنَّ الْجَنَّةَ حَقٌّ وَأَنَّ النَّارَ حَقٌّ أَدْخَلَهُ اللَّهُ مِنْ أَىِّ أَبْوَابِ الْجَنَّةِ الثَّمَانِيَةِ شَاءَ " .
also referenced under: Book 1, Hadith 47 (In-Book) & Book 1, Hadith 43 (USC-MSA)
It is narrated on the authority of Umar b. Hani with the same chain of transmitters with the exception of these words: Allah would make him (he who affirms these truths) enter Paradise through one of the eight doors which he would like.
وَحَدَّثَنِي أَحْمَدُ بْنُ إِبْرَاهِيمَ الدَّوْرَقِيُّ، حَدَّثَنَا مُبَشِّرُ بْنُ إِسْمَاعِيلَ، عَنِ الأَوْزَاعِيِّ، عَنْ عُمَيْرِ بْنِ هَانِئٍ، فِي هَذَا الإِسْنَادِ بِمِثْلِهِ غَيْرَ أَنَّهُ قَالَ " أَدْخَلَهُ اللَّهُ الْجَنَّةَ عَلَى مَا كَانَ مِنْ عَمَلٍ " . وَلَمْ يَذْكُرْ " مِنْ أَىِّ أَبْوَابِ الْجَنَّةِ الثَّمَانِيَةِ شَاءَ " .
also referenced under: Book 1, Hadith 48 (In-Book) & Book 1, Hadith 44 (USC-MSA)