Sunan an-Nasa'i 5521
سنن النسائي#5521Sahihأَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا أَبُو الأَحْوَصِ، عَنْ أَبِي إِسْحَاقَ، عَنْ بُرَيْدِ بْنِ أَبِي مَرْيَمَ، عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَنْ سَأَلَ اللَّهَ الْجَنَّةَ ثَلاَثَ مَرَّاتٍ قَالَتِ الْجَنَّةُ اللَّهُمَّ أَدْخِلْهُ الْجَنَّةَ وَمَنِ اسْتَجَارَ مِنَ النَّارِ ثَلاَثَ مَرَّاتٍ قَالَتِ النَّارُ اللَّهُمَّ أَجِرْهُ مِنَ النَّارِ " .
It was narrated that Anas bin Malik said:"The Messenger of Allah [SAW] said: 'Whoever asks Allah for Paradise three times, Paradise will say: 'O Allah, admit him to Paradise.' And whoever seeks protection from Hell three times, Hell will say: 'O Allah, protect him from the Fire
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:
In-book reference: 50:94