Tafseer Ibn Kathir of AL HASYR [19]

وَلَا تَكُونُوا كَالَّذِينَ نَسُوا اللَّهَ فَأَنسَاهُمْ أَنفُسَهُمْ أُوْلَئِكَ هُمُ الْفَاسِقُونَ

And be not like those who forgot Allah , so He made them forget themselves. Those are the defiantly disobedient.