Surah Al-Hujuraat Verse 2

يَا أَيُّهَا الَّذِينَ آمَنُوا لَا تَرْفَعُوا أَصْوَاتَكُمْ فَوْقَ صَوْتِ النَّبِيِّ وَلَا تَجْهَرُوا لَهُ بِالْقَوْلِ كَجَهْرِ بَعْضِكُمْ لِبَعْضٍ أَن تَحْبَطَ أَعْمَالُكُمْ وَأَنتُمْ لَا تَشْعُرُونَ

Yaa ayyuhal lazeena aamanoo laa tarfa'ooo aswaatakum fawqa sawtin Nabiyi wa laa tajharoo lahoo bilqawli kajahri ba'dikum liba 'din an tahbata a 'maalukum wa antum laa tash'uroon

Translation / The Meaning

O you who have believed, do not raise your voices above the voice of the Prophet or be loud to him in speech like the loudness of some of you to others, lest your deeds become worthless while you perceive not.