The Groups
۞ قُلْ يَـٰعِبَادِىَ ٱلَّذِينَ أَسْرَفُوا۟ عَلَىٰٓ أَنفُسِهِمْ لَا تَقْنَطُوا۟ مِن رَّحْمَةِ ٱللَّهِ ۚ إِنَّ ٱللَّهَ يَغْفِرُ ٱلذُّنُوبَ جَمِيعًا ۚ إِنَّهُۥ هُوَ ٱلْغَفُورُ ٱلرَّحِيمُ
Say, "O My servants who have transgressed against themselves [by sinning], do not despair of the mercy of Allah. Indeed, Allah forgives all sins. Indeed, it is He who is the Forgiving, the Merciful."
Nearby ayahs help place verse 39:53 in sequence and meaning.
فَأَصَابَهُمْ سَيِّـَٔاتُ مَا كَسَبُوا۟ ۚ وَٱلَّذِينَ ظَلَمُوا۟ مِنْ هَـٰٓؤُلَآءِ سَيُصِيبُهُمْ سَيِّـَٔاتُ مَا كَسَبُوا۟ وَمَا هُم بِمُعْجِزِينَ
And the evil consequences of what they earned struck them. And those who have wronged of these [people] will be afflicted by the evil consequences of what they earned; and they will not cause failure.
أَوَلَمْ يَعْلَمُوٓا۟ أَنَّ ٱللَّهَ يَبْسُطُ ٱلرِّزْقَ لِمَن يَشَآءُ وَيَقْدِرُ ۚ إِنَّ فِى ذَٰلِكَ لَـَٔايَـٰتٍ لِّقَوْمٍ يُؤْمِنُونَ
Do they not know that Allah extends provision for whom He wills and restricts [it]? Indeed in that are signs for a people who believe.
وَأَنِيبُوٓا۟ إِلَىٰ رَبِّكُمْ وَأَسْلِمُوا۟ لَهُۥ مِن قَبْلِ أَن يَأْتِيَكُمُ ٱلْعَذَابُ ثُمَّ لَا تُنصَرُونَ
And return [in repentance] to your Lord and submit to Him before the punishment comes upon you; then you will not be helped.
وَٱتَّبِعُوٓا۟ أَحْسَنَ مَآ أُنزِلَ إِلَيْكُم مِّن رَّبِّكُم مِّن قَبْلِ أَن يَأْتِيَكُمُ ٱلْعَذَابُ بَغْتَةً وَأَنتُمْ لَا تَشْعُرُونَ
And follow the best of what was revealed to you from your Lord before the punishment comes upon you suddenly while you do not perceive,