Surat Ad-Dukhān - سورة الدخان

أَنَّىٰ لَهُمُ الذِّكْرَىٰ وَقَدْ جَاءَهُمْ رَسُولٌ مُّبِينٌ

Muhsin Khan: How can there be for them an admonition (at the time when the torment has reached them), when a Messenger explaining things clearly has already come to them.