وَمِنۡهُم مَّن يَسۡتَمِعُ إِلَيۡكَ حَتَّىٰٓ إِذَا خَرَجُواْ مِنۡ عِندِكَ قَالُواْ لِلَّذِينَ أُوتُواْ ٱلۡعِلۡمَ مَاذَا قَالَ ءَانِفًاۚ أُوْلَٰٓئِكَ ٱلَّذِينَ طَبَعَ ٱللَّهُ عَلَىٰ قُلُوبِهِمۡ وَٱتَّبَعُوٓاْ أَهۡوَآءَهُمۡ

Wa minhum mai yastami'u ilaika hattaaa izaa kharajoo min 'indika qaaloo lil lazeena ootul 'ilma maazaa qaala aanifaa; ulaaa'ikal lazeena taba'al laahu 'alaa quloobihim wattaba'ooo ahwaaa'ahum

And among them are men who listen to thee, but in the end, when they go out from thee, they say to those who have received Knowledge, "What is it he said just then?" Such are men whose hearts Allah has sealed, and who follow their own lusts.

— Muhammad (مُحَمَّد), 47:16