Surah Fussilat Verse 5

وَقَالُوا قُلُوبُنَا فِي أَكِنَّةٍ مِّمَّا تَدْعُونَا إِلَيْهِ وَفِي آذَانِنَا وَقْرٌ وَمِن بَيْنِنَا وَبَيْنِكَ حِجَابٌ فَاعْمَلْ إِنَّنَا عَامِلُونَ

Wa qaaloo quloobunaa feee akinnatim mimmaa tad'oonaaa ilaihi wa feee aazaaninaa waqrunw wa mim baininaa wa bainika bijaabun fa'mal innanaa 'aamiloon

Translation / The Meaning

And they say, "Our hearts are within coverings from that to which you invite us, and in our ears is deafness, and between us and you is a partition, so work; indeed, we are working."