59:19
وَلَا تَكُونُوا۟ كَٱلَّذِينَ نَسُوا۟ ٱللَّهَ فَأَنسَىٰهُمْ أَنفُسَهُمْ ۚ أُو۟لَـٰٓئِكَ هُمُ ٱلْفَـٰسِقُونَ
And be not like those who forgot Allah, so He made them forget themselves. Those are the defiantly disobedient.
The Exile
وَلَا تَكُونُوا۟ كَٱلَّذِينَ نَسُوا۟ ٱللَّهَ فَأَنسَىٰهُمْ أَنفُسَهُمْ ۚ أُو۟لَـٰٓئِكَ هُمُ ٱلْفَـٰسِقُونَ
And be not like those who forgot Allah, so He made them forget themselves. Those are the defiantly disobedient.
Nearby ayahs help place verse 59:19 in sequence and meaning.
فَكَانَ عَـٰقِبَتَهُمَآ أَنَّهُمَا فِى ٱلنَّارِ خَـٰلِدَيْنِ فِيهَا ۚ وَذَٰلِكَ جَزَٰٓؤُا۟ ٱلظَّـٰلِمِينَ
So the outcome for both of them is that they will be in the Fire, abiding eternally therein. And that is the recompense of the wrong-doers.
يَـٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوا۟ ٱتَّقُوا۟ ٱللَّهَ وَلْتَنظُرْ نَفْسٌ مَّا قَدَّمَتْ لِغَدٍ ۖ وَٱتَّقُوا۟ ٱللَّهَ ۚ إِنَّ ٱللَّهَ خَبِيرٌۢ بِمَا تَعْمَلُونَ
O you who have believed, fear Allah. And let every soul look to what it has put forth for tomorrow - and fear Allah. Indeed, Allah is Acquainted with what you do.
لَا يَسْتَوِىٓ أَصْحَـٰبُ ٱلنَّارِ وَأَصْحَـٰبُ ٱلْجَنَّةِ ۚ أَصْحَـٰبُ ٱلْجَنَّةِ هُمُ ٱلْفَآئِزُونَ
Not equal are the companions of the Fire and the companions of Paradise. The companions of Paradise - they are the attainers [of success].
لَوْ أَنزَلْنَا هَـٰذَا ٱلْقُرْءَانَ عَلَىٰ جَبَلٍ لَّرَأَيْتَهُۥ خَـٰشِعًا مُّتَصَدِّعًا مِّنْ خَشْيَةِ ٱللَّهِ ۚ وَتِلْكَ ٱلْأَمْثَـٰلُ نَضْرِبُهَا لِلنَّاسِ لَعَلَّهُمْ يَتَفَكَّرُونَ
If We had sent down this Qur'an upon a mountain, you would have seen it humbled and coming apart from fear of Allah. And these examples We present to the people that perhaps they will give thought.