3rd Ayah from Surah At Takathur
كـَلَّا سَوۡفَ تَعۡلَمُونَ ٣
Kallā Sawfa Ta`lamūna
No! You are going to know.
No indeed! You will come to know.
Nay! You shall come to know!
No! (This is not a correct attitude.) You will soon know (the reality).
Nay, but ye will come to know!
But nay, ye soon shall know (the reality).