﴿ كَلَّا لَوْ تَعْلَمُونَ عِلْمَ ٱلْيَقِينِ ﴾

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

No indeed! If you were to know with certainty,Certainty (yaqīn) is the fire, affirmation on the tongue is the wick (fatīla) and the deed is its oil (zayt). Certainty begins with unveiling (mukāshafa), then [comes] visual beholding (muʿāyana) and witnessing (mushāhada).His words, Exalted is He: