78:5
ثُمَّ كَلَّا سَيَعْلَمُونَ
Transliteration:
Thumma kalla sayaAAlamoona
Word by Word:
Then Nay! (soon) they will know.
Translations:
And once again: Nay, but in time they will come to understand!
Verily, verily they shall soon (come to) know!
Nay, again, but they will come to know!
Nay, again, they will soon know.
Then, no! They are going to know.