﴿ إِنَّ ٱلَّذِينَ يَغُضُّونَ أَصْوَٰتَهُمْ عِندَ رَسُولِ ٱللَّهِ أُو۟لَٰٓئِكَ ٱلَّذِينَ ٱمْتَحَنَ ٱللَّهُ قُلُوبَهُمْ لِلتَّقْوَىٰ ۚ لَهُم مَّغْفِرَةٌۭ وَأَجْرٌ عَظِيمٌ ﴾

“Behold, they who lower their voices in the presence of God’s Apostle - it is they whose hearts God has tested [and opened] to consciousness of Himself; [and] theirs shall be forgiveness and a reward supreme.”

The following was revealed regarding those who used to lower their voices in the presence of the Prophet s such as Abū Bakr ‘Umar and others may God be pleased with all of them Truly those who lower their voices in the presence of God’s Messenger — they are the ones whose hearts God has tested for God-fearing that is to say He has tested them so that this fear of God may manifest itself in them. For them will be forgiveness and a great reward Paradise.