﴿ إِذْ أَرْسَلْنَآ إِلَيْهِمُ ٱثْنَيْنِ فَكَذَّبُوهُمَا فَعَزَّزْنَا بِثَالِثٍۢ فَقَالُوٓا۟ إِنَّآ إِلَيْكُم مُّرْسَلُونَ ﴾

“Lo! We sent unto them two [apostles], and. they gave the lie to both; and so We strengthened [the two] with a third; and thereupon they said: “Behold, we have been sent unto you [by God]!””

(When We sent unto them twain) two apostles: Simon the Canaanite and Thomas, (and they denied them both, so We reinforced them with a third) We strengthened them with Simon Peter who confirmed the message conveyed by the other two apostles, (and they said; Lo! we have been sent unto you.