And when you do not bring them that is the people of Mecca a sign from among those which they request they say ‘Why have you not chosen one?’ why have you not produced one all by yourself? Say to them ‘I follow only that which is revealed to me from my Lord and it is not for me to bring anything from myself; this Qur’ān is insight proofs from your Lord and a guidance and a mercy for a people who believe’.