Surah Ar-Ra'd Verse 12

هُوَ الَّذِي يُرِيكُمُ الْبَرْقَ خَوْفًا وَطَمَعًا وَيُنْشِئُ السَّحَابَ الثِّقَالَ



It is He who shows you lightening, [causing] fear and aspiration, and generates the heavy clouds.