And certainly We know that they say: Only a mortal teaches him. The tongue of him whom they reproach is barbarous, and this is clear Arabic tongue.

And certainly We sent apostles before you: there are some of them that We have mentioned to you and there are others whom We have not mentioned to you, and it was not meet for an apostle that he should bring a sign except with Allah's permission, but when the command of Allah came, judgment was given with truth, and those who treated (it) as a lie were lost.

And if We please, We should certainly take away that which We have revealed to you, then you would not find for it any protector against Us.

And certainly a lasting chastisement overtook them in the morning.

Nay, what they concealed before shall become manifest to them; and if they were sent back, they would certainly go back to that which they are forbidden, and most surely they are liars.

If they could find a refuge or cave or a place to enter into, they would certainly have turned thereto, running away in all haste.