78:5
ثُمَّ كَلَّا سَيَعْلَمُونَ
thumma kallā sayaʿlamūna
Then, no! They are going to know.
— Saheeh International
In the end they will find out.
— M. A. S. Abdel Haleem
Nay, again, they will come to know!
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali