49:2
يَٰٓأَيُّهَاٱلَّذِينَءَامَنُوا۟لَاتَرْفَعُوٓا۟أَصْوَٰتَكُمْفَوْقَصَوْتِٱلنَّبِىِّوَلَاتَجْهَرُوا۟لَهُۥبِٱلْقَوْلِكَجَهْرِبَعْضِكُمْلِبَعْضٍأَنتَحْبَطَأَعْمَٰلُكُمْوَأَنتُمْلَاتَشْعُرُونَ٢
yāayyuhā alladhīna āmanū lā tarfaʿū aṣwātakum fawqa ṣawti l-nabiyi walā tajharū lahu bil-qawli kajahri baʿḍikum libaʿḍin an taḥbaṭa aʿmālukum wa-antum lā tashʿurūna
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.(2)