69:50
وَاِنَّهُ لَحَسْرَةٌ عَلَى الْكَافِرٖینَ
Wainnahu lahasratun AAala alkafireena
Translations
And indeed, it will be [a cause of] regret upon the disbelievers
Saheeh International
And lo! it is indeed an anguish for the disbelievers
Marmaduke Pickthall