(And they swore by Allah) i.e. the disbelievers of Mecca swore by Allah before the coming of the Prophet (pbuh) (their most binding oath) by Allah, (that if a warner) a warning Messenger (came unto them they would be more tractable) they would be swifter in responding and more guided in the religion (than any of the nations) than the Jews and Christians; (yet, when a warner) Muhammad (pbuh) (came unto them) with the Qur'an (it aroused in them naught save repugnance) from it,