Surah At-Tawbah (9)Ayah 125Juz 11Mushaf page 186
وَأَمَّا ٱلَّذِينَ فِى قُلُوبِهِم مَّرَضٌ فَزَادَتْهُمْ رِجْسًا إِلَىٰ رِجْسِهِمْ وَمَاتُوا۟ وَهُمْ كَـٰفِرُونَ
At-Tawbah — Ayah 125
The Repentance · التوبة · 9:125
As for those who have malady in their hearts, it adds further impurity to their (initial) impurity, and they die infidels.
Translation: Mufti Taqi Usmani