﴿ وَأَنَّهُمْ ظَنُّوا۟ كَمَا ظَنَنتُمْ أَن لَّن يَبْعَثَ ٱللَّهُ أَحَدًۭا ﴾

“so much so that they came to think, as you [once] thought, that God would never [again] send forth anyone [as His apostle].”

Они перестали веровать в воскрешение и впали в язычество и беспутство.