إِنَّ عَذَابَ رَبِّهِمْ غَيْرُ مَأْمُونٍ
[70:28]
Surely the chastisement of their Lord is (a thing) not to be felt secure of--
For their Lord's displeasure is the opposite of Peace and Tranquillity;-
Lo! the doom of their Lord is that before which none can feel secure -