Quran 50:33 from Surah Qaaf on Divine Marvels.
مَّنۡ خَشِيَ ٱلرَّحۡمَٰنَ بِٱلۡغَيۡبِ وَجَآءَ بِقَلۡبٖ مُّنِيبٍ
English translation: Who feared the Most Gracious in the unseen and came with a heart returning
Transliteration: man khashiya al-rahmana bil-ghaybi wajaa biqalbin munibin