21:2
مَا يَأْتِيهِم مِّن ذِكْرٍ مِّن رَّبِّهِم مُّحْدَثٍ إِلَّا ٱسْتَمَعُوهُ وَهُمْ يَلْعَبُونَ
mā yatīhim min dhik'rin min rabbihim muḥ'dathin illā is'tamaʿūhu wahum yalʿabūna
Whenever any fresh revelation comes to them from their Lord, they listen to it playfully
Comes not unto them an admonition (a chapter of the Qur’ân) from their Lord as a recent revelation but they listen to it while they play