﴿ كَلَّا لَوْ تَعْلَمُونَ عِلْمَ ٱلْيَقِينِ ﴾

“Nay, if you could but understand [it] with an understanding [born] of certainty,”

No indeed! — verily — Were you to know with certain knowledge the consequences of your vainglory you would not preoccupy yourselves with it for