كَلَّا سَوْفَ تَعْلَمُونَ
But no! You will soon come to know.
Compare 102:3 and 78:4
highlighted words differ between verses
كَلَّا سَيَعْلَمُونَ
But no! They will come to know.
Both use the 'kalla sa/sawfa ta'lamun' warning refrain but 78:4-5 uses 'sa ya'lamun' while 102:3-4 uses 'sawfa ta'lamun' with 'thumma kalla' escalating the second warning.
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