Surah Fussilat 41:30
إِنَّ ٱلَّذِينَ قَالُوا۟ رَبُّنَا ٱللَّهُ ثُمَّ ٱسْتَقَـٰمُوا۟ تَتَنَزَّلُ عَلَيْهِمُ ٱلْمَلَـٰٓئِكَةُ أَلَّا تَخَافُوا۟ وَلَا تَحْزَنُوا۟ وَأَبْشِرُوا۟ بِٱلْجَنَّةِ ٱلَّتِى كُنتُمْ تُوعَدُونَ
Indeed, those who have said, "Our Lord is Allāh" and then remained on a right course - the angels will descend upon them, [saying], "Do not fear and do not grieve but receive good tidings of Paradise, which you were promised.
Translation: Saheeh International
Tafsir
Truly those who say ‘Our Lord is God!’ and then remain upright adhering to the affirmation of God’s Oneness and to whatever else has been enjoined on them the angels descend upon them at the point of death saying to them ‘Do not fear death and what will come after it nor grieve for any family or children that you have …
Excerpt from Tafsir al-Jalalayn, commentary on 41:30, via Quran.com. The reader has the full commentary and 9 more tafsirs.