﴿ إِنَّ ٱلَّذِينَ قَالُوا۟ رَبُّنَا ٱللَّهُ ثُمَّ ٱسْتَقَٰمُوا۟ فَلَا خَوْفٌ عَلَيْهِمْ وَلَا هُمْ يَحْزَنُونَ ﴾

“for, behold, all who say, “Our Sustainer is God”, and thereafter stand firm [in their faith] - no fear need they have, and neither shall they grieve:”

Please check ayah 46:14 for complete tafsir.