Al Haqqah, 50 Ayah

69:50

وَإِنَّهُۥ لَحَسۡرَةٌ عَلَى ٱلۡكَٰفِرِينَ ٥٠

Wa 'Innahu Laĥasratun `Alá Al-Kāfirīna

And indeed, it will be [a cause of] regret upon the disbelievers.