The secret of the polytheists' denial and their stubbornness

When you recite the Qur'an, We place a hidden veil between you and those who do not believe in the Hereafter;

And We put covers over their hearts and deafness in their ears that they should not understand it. So when you invoke your Lord alone in the Qur'an they turn their backs and walk away.

We know well with what (intent) they hear you, for when they confer privately the wicked say: "You follow but a man deluded."

See, what comparisons they coin for you, and go astray, and thus cannot find the way.