203rd Ayah from Surah Al A'raf
Sahih International
And when you, [O Muhammad], do not bring them a sign, they say, "Why have you not contrived it?" Say, "I only follow what is revealed to me from my Lord. This [Qur'an] is enlightenment from your Lord and guidance and mercy for a people who believe."
Abdul Haleem
When you do not bring them a fresh revelation, they say, ‘But can you not just ask for one?’ Say, ‘I merely repeat what is revealed to me from my Lord: this revelation brings you insights from your Lord, and guidance and mercy for those who believe,
Mohsin Khan/Hilali
And if you do not bring them a miracle [according to their (i.e. Quraish-pagans') proposal], they say: "Why have you not brought it?" Say: "I but follow what is revealed to me from my Lord. This (the Quran) is nothing but evidences from your Lord, and a guidance and a mercy for a people who believe."
Taqi Usmani
When you do not bring them a sign, they say, “Could you not make up one?”Say, “I only follow what is revealed to me from my Lord.” This is (a Book of) insights from your Lord and a guidance and mercy for a people who believe.