Surah An-Nisa 4:137

إِنَّ ٱلَّذِينَ ءَامَنُوا۟ ثُمَّ كَفَرُوا۟ ثُمَّ ءَامَنُوا۟ ثُمَّ كَفَرُوا۟ ثُمَّ ٱزْدَادُوا۟ كُفْرًا لَّمْ يَكُنِ ٱللَّهُ لِيَغْفِرَ لَهُمْ وَلَا لِيَهْدِيَهُمْ سَبِيلًۢا

Indeed, those who have believed then disbelieved, then believed then disbelieved, and then increased in disbelief - never will Allāh forgive them, nor will He guide them to a way.

Translation: Saheeh International

Tafsir

Verily those who believed in Moses namely the Jews and then disbelieved by worshipping the calf and then believed after that and then disbelieved in Jesus and then increased in disbelief in Muhammad — it was not for God to forgive them for what they have persisted in of disbelief nor to guide them to a way to the …

Excerpt from Tafsir al-Jalalayn, commentary on 4:137, via Quran.com. The reader has the full commentary and 9 more tafsirs.