Surely, those who lower their voices at the messenger of God are the ones whose hearts are prepared by God to become righteous.* They have deserved forgiveness and a great recompense.
إِنَّ الَّذينَ يَغُضّونَ أَصوٰتَهُم عِندَ رَسولِ اللَّهِ أُولٰئِكَ الَّذينَ امتَحَنَ اللَّهُ قُلوبَهُم لِلتَّقوىٰ لَهُم مَغفِرَةٌ وَأَجرٌ عَظيمٌ
innal lazeena yaghud doona aswaatahum ‘inda Rasoolil laahi ulaaa’ikal lazeenam tah anal laahu quloobahum littaqwaa; lahum maghfiratunw wa’ajrun ‘azeem
*49:3 Respecting the messenger helps outsiders and visitors in coming to God’s message.