وَلَيْسَتِ ٱلتَّوْبَةُ لِلَّذِينَ يَعْمَلُونَ ٱلسَّيِّـَٔاتِ حَتَّىٰٓ إِذَا حَضَرَ أَحَدَهُمُ ٱلْمَوْتُ قَالَ إِنِّى تُبْتُ ٱلْـَٔـٰنَ وَلَا ٱلَّذِينَ يَمُوتُونَ وَهُمْ كُفَّارٌ ۚ أُو۟لَـٰٓئِكَ أَعْتَدْنَا لَهُمْ عَذَابًا أَلِيمًا Qur’an An-Nisaa' (4:18)Walaysati a l ttawbatu lilla th eena yaAAmaloona a l ssayyi a ti h att a i tha h a d ara a h adahumu almawtu q a la innee tubtu al a na wal a alla th eena yamootoona wahum kuff a run ol a ika aAAtadn a lahum AAa tha ban aleem a n
Lit., "until, when death approaches one of them, he says".
Note the fine touch. A sin may be fashionable, and people may sin together without compunction. When one of them is faced with Death, he repents, but that sort of repentance is no good.