Dalil
العربية

Quran Qaf 50:33

مَّنۡ خَشِيَ ٱلرَّحۡمَٰنَ بِٱلۡغَيۡبِ وَجَآءَ بِقَلۡبٖ مُّنِيبٍ

Translation

Who feared the Most Merciful in the unseen and came with a heart returning [in repentance].