Sura al-Faṭīr 35:42

وَأَقْسَمُوا۟ بِٱللَّـهِ جَهْدَ أَيْمَٰنِهِمْ لَئِن جَآءَهُمْ نَذِيرٌ لَّيَكُونُنَّ أَهْدَىٰ مِنْ إِحْدَى ٱلْأُمَمِ فَلَمَّا جَآءَهُمْ نَذِيرٌ مَّا زَادَهُمْ إِلَّا نُفُورًا

wa-aqsamū billāhi jahda aymānihim lain jāʾahum nadhīrun la-yakūnunna ahdā min iḥda l-umami fa-lammā jāʾahum nadhīrun mā zādahum illā nufūran

They swore their strongest oaths by Allah that if a warner came to them, they would follow his guidance better than any (other) of the Peoples: But when a warner came to them, it has only increased their flight (from righteousness),-