Surah Al-Ahqaf (The Sand-Hills), Verse 13

اِنَّ الَّذِیْنَ قَالُوْا رَبُّنَا اللّٰهُ ثُمَّ اسْتَقَامُوْا فَلَا خَوْفٌ عَلَیْهِمْ وَلَا هُمْ یَحْزَنُوْنَ ۟

Innal lazeena qaaloo Rabbunal laahu summas taqaamoo falaa khawfun 'alaihim wa laahum yahzanoon

“Verily those who say, "Our Lord is Allah," and remain firm (on that Path),- on them shall be no fear, nor shall they grieve.”

Quran 46:13 (Yusuf Ali Translation)