ٱلَّذِينَ ضَلَّ سَعْيُهُمْ فِى ٱلْحَيَوٰةِ ٱلدُّنْيَا وَهُمْ يَحْسَبُونَ أَنَّهُمْ يُحْسِنُونَ صُنْعًا
How to read it
Alladhīna ḍalla saʻ'yuhum' fī l-ḥayāti ddun'yā wahum' yaḥ'sabūna 'annahum' yuḥ'sinūna ṣun'ʻan
"Those whose efforts have been wasted in this life, while they thought that they were acquiring good by their works?"
Translation: Abdullah Yusuf Ali

