فَإِن لَّمۡ تَفۡعَلُواْ وَلَن تَفۡعَلُواْ فَٱتَّقُواْ ٱلنَّارَ ٱلَّتِي وَقُودُهَا ٱلنَّاسُ وَٱلۡحِجَارَةُۖ أُعِدَّتۡ لِلۡكَٰفِرِينَ
But if ye do it not, nor shall ever be able to do it; justly fear the fire whose fewel is men and stones, prepared for the unbeliebers
Author: George Sale