41:5
وَقَالُوا۟ قُلُوبُنَا فِىٓ أَكِنَّةٍ مِّمَّا تَدْعُونَآ إِلَيْهِ وَفِىٓ ءَاذَانِنَا وَقْرٌ وَمِنۢ بَيْنِنَا وَبَيْنِكَ حِجَابٌ فَٱعْمَلْ إِنَّنَا عَـٰمِلُونَ
waqālū qulūbunā fī akinnatin mimmā tadʿūnā ilayhi wafī ādhāninā waqrun wamin bayninā wabaynika ḥijābun fa-iʿ'mal innanā ʿāmilūna
They say, ‘Our hearts are encased against [the faith] you call us to; our ears are heavy; there is a barrier between us and you. So you do whatever you want, and so shall we.’
And they say: "Our hearts are under coverings (screened) from that to which you invite us; and in our ears is deafness, and between us and you is a screen: so work you (on your way); verily, we are working (on our way)."