Explained in detail · 30

إِنَّ ٱلَّذِينَ قَالُواْ رَبُّنَا ٱللَّهُ ثُمَّ ٱسۡتَقَٰمُواْ تَتَنَزَّلُ عَلَيۡهِمُ ٱلۡمَلَٰٓئِكَةُ أَلَّا تَخَافُواْ وَلَا تَحۡزَنُواْ وَأَبۡشِرُواْ بِٱلۡجَنَّةِ ٱلَّتِي كُنتُمۡ تُوعَدُونَ

In the case of those who say, "Our Lord is Allah", and, further, stand straight and steadfast, the angels descend on them (from time to time): "Fear ye not!" (they suggest), "Nor grieve! but receive the Glad Tidings of the Garden (of Bliss), the which ye were promised