Hadithcore
Sahih al-Bukhari, 1365
sahih

Narrated Abu Huraira-:

The Prophet (ﷺ) said, "He who commits suicide by throttling shall keep on throttling himself in the Hell Fire (forever) and he who commits suicide by stabbing himself shall keep on stabbing himself in the Hell-Fire."

حَدَّثَنَا أَبُو الْيَمَانِ، أَخْبَرَنَا شُعَيْبٌ، حَدَّثَنَا أَبُو الزِّنَادِ، عَنِ الأَعْرَجِ، عَنْ أَبِي هُرَيْرَةَ ـ رضى الله عنه ـ قَالَ قَالَ النَّبِيُّ صلى الله عليه وسلم ‏

‏ الَّذِي يَخْنُقُ نَفْسَهُ يَخْنُقُهَا فِي النَّارِ، وَالَّذِي يَطْعُنُهَا يَطْعُنُهَا فِي النَّارِ ‏

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References2 variants
In-Book Reference
Book 23, Hadith 117
USC-MSA web (English) reference
Vol. 2, Book 23, Hadith 446 (deprecated numbering scheme)
Sharh · explanationclick to expand
Islam endeavours to protect the life of humanity and therefore, has criminalised the killing of a person without a legitimate right, and has considered it a forbidden act. Thus, whoever commits suicide or kills another person [without legitimate right] is promised a severe punishment. In this hadeeth, AbooHurayrah(may Allah be pleased with him) relates that the Prophet ﷺ warned that he who strangles himself will enter Hell, and there, he will strangle himself, and he who stabs himself will enter Hellfire, and stab himself there too. Hence, the punishment will be in kind with the deed,and whoever kills himself is leading himself to Hellfire where he will be punished for this [major] sin. The statement of the Prophet ﷺ is intended as a form of extreme warning and admonishment,however, the belief of [all righteous] predecessors is that polytheists will never enter Paradise, and monotheists will never stay in Hellfire forever. The people of Sunnah believe that committing suicide is a [major] sin, but it does not take the person outside the fold of Islam, therefore, the funeral prayer can be offered over him, and he should still be buried in the graveyards of Muslims. Conversely, in one version of this hadeeth, recorded in Saheeh al-Bukhaaree and Saheeh Muslim, it reads: “He will be in Hellfire permanently.” However, this is understood to refer to he who commits it, considering it lawful despite his knowledge of its prohibition. Another possible interpretation is that it means his stay in Hellfire will be perceived as so long as he is being punished for it, butnot that he will actually reside in Hellfire eternally. The other benefit of this hadeeth is learning that we are warned against harming ourselves. .