And they had thought, as you thought, that Allah would never send anyone [as a messenger].
The Saheeh International Quran Translation
وَأَنَّهُمْ ظَنُّوا۟ كَمَا ظَنَنتُمْ أَن لَّن يَبْعَثَ ٱللَّهُ أَحَدًاAnd they had thought, as you thought, that Allah would never send anyone [as a messenger].