لِّكُلِّ نَبَإٍ مُّسْتَقَرٌّFor every news there is a reality...,According to Ibn Abbas and others,meaning, for every news, there is a reality, in that, this news will occur, perhaps after a while.Allah said in other Ayat,وَلَتَعْلَمُنَّ نَبَأَهُ بَعْدَ حِينِAnd you shall certainly know the truth of it after a while. (38:88)and,لِكُلِّ أَجَلٍ كِتَابٌ(For) each and every matter there is a decree (from Allah). (13:38)This, indeed, is a warning and a promise that will surely occur,وَسَوْفَ تَعْلَمُونَand you will come to know.Allah's statement