Qur'an 30:60 · Ar-Room

فَٱصْبِرْ إِنَّ وَعْدَ ٱللَّهِ حَقٌّۭ ۖ وَلَا يَسْتَخِفَّنَّكَ ٱلَّذِينَ لَا يُوقِنُونَ

(60) So be patient. Indeed, the promise of Allāh is truth. And let them not disquiet you who are not certain [in faith].