Quran

 36:14

إِذْ أَرْسَلْنَا إِلَيْهِمُ اثْنَيْنِ فَكَذَّبُوهُمَا فَعَزَّزْنَا بِثَالِثٍ فَقَالُوا إِنَّا إِلَيْكُمْ مُرْسَلُونَ ﴿١٤﴾

14. We sent to them two messengers, but they denied both, so We reinforced them with a third. They said, “We are sent to you.”