Quran 4:17 from Surah An-Nisaa on Divine Marvels.
إِنَّمَا ٱلتَّوۡبَةُ عَلَى ٱللَّهِ لِلَّذِينَ يَعۡمَلُونَ ٱلسُّوٓءَ بِجَهَٰلَةٖ ثُمَّ يَتُوبُونَ مِن قَرِيبٖ فَأُوْلَٰٓئِكَ يَتُوبُ ٱللَّهُ عَلَيۡهِمۡۗ وَكَانَ ٱللَّهُ عَلِيمًا حَكِيمٗا
English translation: Only the acceptance of repentance by Allah (is) for those who do the evil in ignorance then they repent from soon after Then those will have forgiveness (from) Allah upon them and is Allah All-Knowing All-Wise
Transliteration: innama al-tawbatu ala al-lahi lilladhina ya'maluna al-sua bijahalatin thumma yatubuna min qaribin fa-ulaika yatubu al-lahu alayhim wakana al-lahu aliman hakiman