﴿ هُوَ ٱلَّذِى يُرِيكُمُ ٱلْبَرْقَ خَوْفًۭا وَطَمَعًۭا وَيُنشِئُ ٱلسَّحَابَ ٱلثِّقَالَ ﴾

“HE IT IS who displays before you the lightning, to give rise to [both] fear and hope, and calls heavy clouds into being;”

(He it is Who showeth you the lightning) rain, (a fear) for the traveller in that his clothes will be soaked (and a hope) for the sedentary for his land gets irrigated, (and raises) He creates and raises (the heavy clouds) which carry rain.