Read and reflect on verse 3702 from Surah Faatir: As it is, they [who are averse to the truth often] swear by God with their most solemn oaths that if a warner should ever come to them, they would fol...
وَأَقْسَمُوا بِاللَّهِ جَهْدَ أَيْمَانِهِمْ لَئِنْ جَاءَهُمْ نَذِيرٌ لَيَكُونُنَّ أَهْدَىٰ مِنْ إِحْدَى الْأُمَمِ ۖ فَلَمَّا جَاءَهُمْ نَذِيرٌ مَا زَادَهُمْ إِلَّا نُفُورًا
As it is, they [who are averse to the truth often] swear by God with their most solemn oaths that if a warner should ever come to them, they would follow his guidance better than any of the communities [of old had followed the warner sent to them]: but now that a warner has come unto them, [his call] but increases their aversion,