Verse 75

قَالَ ٱلْمَلَأُ ٱلَّذِينَ ٱسْتَكْبَرُوا۟ مِن قَوْمِهِۦ لِلَّذِينَ ٱسْتُضْعِفُوا۟ لِمَنْ ءَامَنَ مِنْهُمْ أَتَعْلَمُونَ أَنَّ صَـٰلِحًا مُّرْسَلٌ مِّن رَّبِّهِۦ قَالُوٓا۟ إِنَّا بِمَآ أُرْسِلَ بِهِۦ مُؤْمِنُونَ

The arrogant group among his people said to the humble ones who had attained faith; how did you know for sure that Saleh is a messenger from his Lord? They said; we indeed believed in the message he brought.