Prophet Ya`qub (peace be upon him) did not strike his chest or scratch his face, or shed blood or mark the day of the loss of Yusuf as a festival or a day of mourning.

• 先知叶尔孤布（愿他平安）没有以击打自己的胸膛，扇自己的耳光，甚至流血等方式把失去优素福的日子作为一个纪念日或者悲痛日。