The Messenger of Allah possesses many manifest miracles and signs demonstrating [his veracity], reaching thousands and they are well known.
From amongst them was the Qur'an, the manifest and clear miracle and brilliant proof, falsehood cannot approach it from before it or behind it. It is a revelation from One Who is All-Wise and Praiseworthy. It incapacitated the most eloquent of people in the most eloquent of times to produce a single chapter that would be comparable to it, even if the whole of creation were to gather for that purpose. Allah, the Exalted says,