كَلَّا لَوْ تَعْلَمُونَ عِلْمَ ٱلْيَقِينِ ٥
Kallaa law ta`lamoona `ilmal-yaqeen
No! If you only knew with knowledge of certainty...
- The conclusion of this verse is estimated to be "...you would not have been distracted from preparing for the Hereafter."