﴿ فَعَسَىٰ رَبِّىٓ أَن يُؤْتِيَنِ خَيْرًۭا مِّن جَنَّتِكَ وَيُرْسِلَ عَلَيْهَا حُسْبَانًۭا مِّنَ ٱلسَّمَآءِ فَتُصْبِحَ صَعِيدًۭا زَلَقًا ﴾

“yet it may well be that my Sustainer will give me something better than thy garden -just as He may let loose a calamity out of heaven upon this [thy garden], so that it becomes a heap of barren dust”

(Yet it may be) 'may be' when used in connection to Allah denotes a requisite (that my Lord will give me) in the Hereafter (better than your garden) in the life of this world, (and will send on it) on your garden (a bolt) of fire (from heaven, and some morning it will be a smooth hillside) smooth dust,