Quran Al-Hashr 59:19
وَلَا تَكُونُواْ كَٱلَّذِينَ نَسُواْ ٱللَّهَ فَأَنسَىٰهُمۡ أَنفُسَهُمۡۚ أُوْلَٰٓئِكَ هُمُ ٱلۡفَٰسِقُونَ ١٩
Translation
And be not like those who forgot Allāh, so He made them forget themselves. Those are the defiantly disobedient.