إِنَّهُ لَقَوْلٌ فَصْلٌ وَمَا هُوَ بالهزل

Indeed, it [i.e., the Qur’ān] is a decisive statement, 

 And it is not amusement

 Indeed, they are planning a plan,

But I am planning a plan.

So allow time for the disbelievers. Leave them awhile

Surah al - Tariq