ٱلَّذِينَ ضَلَّ سَعۡيُهُمۡ فِي ٱلۡحَيَوٰةِ ٱلدُّنۡيَا وَهُمۡ يَحۡسَبُونَ أَنَّهُمۡ يُحۡسِنُونَ صُنۡعًا
Allatheena dalla saAAyuhum fee alhayati alddunya wahum yahsaboona annahum yuhsinoona sunAAan
[They are] those whose effort is lost in worldly life, while they think that they are doing well in work