" لَيْسَ مِنَّا مَنْ ضَرَبَ الْخُدُودَ وَشَقَّ الْجُيُوبَ وَدَعَا بِدَعْوَى الْجَاهِلِيَّةِ "
It was narrated from 'Abdullah that the Prophet said: "He is not one of us who strikes his cheeks, rends his garment, and calls the calls of the Jahiliyyah."