Surah At-Tawbah, ayah 61

9:61

وَمِنۡهُمُ ٱلَّذِينَ يُؤۡذُونَ ٱلنَّبِيَّ وَيَقُولُونَ هُوَ أُذُنٞۚ قُلۡ أُذُنُ خَيۡرٖ لَّكُمۡ يُؤۡمِنُ بِٱللَّهِ وَيُؤۡمِنُ لِلۡمُؤۡمِنِينَ وَرَحۡمَةٞ لِّلَّذِينَ ءَامَنُواْ مِنكُمۡۚ وَٱلَّذِينَ يُؤۡذُونَ رَسُولَ ٱللَّهِ لَهُمۡ عَذَابٌ أَلِيمٞ ٦١

Waminhumul-ladhīna yu'dhūnan-nabiyya wayaqūlūna huwa udhunun qul udhunu khayril lakum yu'minu billāhi wayu'minu lil-mu'minīna warahmatul lilladhīna āmanū minkum walladhīna yu'dhūna rasūlallāhi lahum 'adhābun alīm

And among them are those who abuse the Prophet and say, "He is an ear."488 Say, "[It is] an ear of goodness for you that believes in Allāh and believes the believers and [is] a mercy to those who believe among you." And those who abuse the Messenger of Allāh - for them is a painful punishment.

Footnotes

488 i.e., one who believes everything he hears.