Quran 8:29 from Surah Al-Anfaal on Divine Marvels.
يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوٓاْ إِن تَتَّقُواْ ٱللَّهَ يَجۡعَل لَّكُمۡ فُرۡقَانٗا وَيُكَفِّرۡ عَنكُمۡ سَيِّـَٔاتِكُمۡ وَيَغۡفِرۡ لَكُمۡۗ وَٱللَّهُ ذُو ٱلۡفَضۡلِ ٱلۡعَظِيمِ
English translation: O you who believe If you fear Allah He will grant you a criterion and will remove from you your evil deeds and forgive you And Allah (is) the Possessor (of) Bounty the Great
Transliteration: yaayyuha alladhina amanu in tattaqu al-laha yaj'al lakum fur'qanan wayukaffir ankum sayyiatikum wayaghfir lakum wal-lahu dhu al-fadli al-'azimi