Hadith 6423 - To make the Heart Tender (Ar-Riqaq) - Sahih Al-Bukhari - صحيح البخاري - Collection of Actions, Sayings and Teachings of Prophet Muhammad (صلى الله عليه و سلم) - Kutub as-Sittah

81. To make the Heart Tender (Ar-Riqaq) - كتاب الرقاق

6) Chapter: The deed which is done seeking Allah's Countenance

Narrated `Utban bin Malik Al-Ansari:

who was one of the men of the tribe of Bani Salim: Allah's Messenger (ﷺ) came to me and said, "If anybody comes on the Day of Resurrection who has said: La ilaha illal-lah, sincerely, with the intention to win Allah's Pleasure, Allah will make the Hell-Fire forbidden for him."

Reference: 6423
English reference: Vol. 8, Book 76, Hadith 431
In-book reference: Book 81, Hadith 12
Grade: Sahih
Read this hadith from Darussalam Collection

6) باب الْعَمَلِ الَّذِي يُبْتَغَى بِهِ وَجْهُ اللَّهِ

فِيهِ سَعْدٌ.

قَالَ سَمِعْتُ عِتْبَانَ بْنَ مَالِكٍ الأَنْصَارِيَّ، ثُمَّ أَحَدَ بَنِي سَالِمٍ قَالَ غَدَا عَلَىَّ رَسُولُ اللَّهِ صلى الله عليه وسلم فَقَالَ ‏‏‏.‏ "‏ لَنْ يُوَافِيَ عَبْدٌ يَوْمَ الْقِيَامَةِ يَقُولُ لاَ إِلَهَ إِلاَّ اللَّهُ‏.‏ يَبْتَغِي بِهِ وَجْهَ اللَّهِ، إِلاَّ حَرَّمَ اللَّهُ عَلَيْهِ النَّارَ ‏"