إِذْ أَرْسَلْنَا إِلَيْهِمُ اثْنَيْنِ فَكَذَّبُوهُمَا فَعَزَّزْنَا بِثَالِثٍ فَقَالُوا إِنَّا إِلَيْكُمْ مُرْسَلُونَ
When We sent two messengers to them, they rejected both; so We strengthened them with a third, and they said, 'We have been sent to you'
The rejection of the first two messengers did not bring the divine invitation to an end. A third messenger was sent to reinforce them, giving the people another opportunity to hear and receive the truth. Opposition does not necessarily mean that an opportunity for guidance has ended.
The Arabic fa'azzazna comes from a root associated with strength and firmness. The third messenger supported the first two so they would have greater strength in carrying out their mission. This does not mean that a divine message becomes true simply because more people proclaim it. Truth does not depend on a vote. But mutual support can help messengers carry forward their task.
The words “We have been sent to you” show the three speaking with one voice, affirming their mission. The emphatic inna strengthens the declaration. Despite rejection, they remain firm in what they have been entrusted to say.
Steadfastness in communicating the truth, even when faced with denial and opposition, stands out in this verse. The messengers continue to perform their duty, while accepting or rejecting the message remains a decision for the people themselves.