أُولَئِكَ الَّذِينَ طَبَعَ اللَّهُ عَلَى قُلُوبِهِمْ وَسَمْعِهِمْ وَأَبْصَارِهِمْ وَأُولَئِكَ هُمُ الْغَافِلُونَ

They are the ones Allah has set a seal on their hearts, their hearing and their sight, and it is they who are the heedless.