An-Naml • BN-TAFSEER-IBN-E-KASEER
﴿ أُو۟لَٰٓئِكَ ٱلَّذِينَ لَهُمْ سُوٓءُ ٱلْعَذَابِ وَهُمْ فِى ٱلْءَاخِرَةِ هُمُ ٱلْأَخْسَرُونَ ﴾
“It is they whom the worst of suffering awaits: for it is they, they who in the life to come shall be the greatest losers!”
Please check ayah 27:6 for complete tafsir.