Sahih al-Bukhari 1365Book 23, Hadith 117
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 ".
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."