At-Takaathur • EN-TAFSIR-IBN-ABBAS
﴿ كَلَّا سَوْفَ تَعْلَمُونَ ﴾
“Nay, in time you will come to understand!”
(Nay) this is a reply and threat to them, (but ye will come to know) what will be done to you in the graves!