28 Preface إِنَّ عَذابَ رَبِّهِم غَيرُ مَأمونٍYusuf AliFor their Lord?s displeasure is the opposite of Peace and Tranquillity;-1Some would construe this verse: “And their Lord’s displeasure is one against which there is no security”; meaning that the punishment of sin may come suddenly at any time, when you least expect it.