English translation
5973. Narrated 'Abdullāh bin 'Amr رَضِيَ اللَّهُ عَنْهُمَا: Allāh's Messenger ﷺ said, "It is one of the greatest sins that a man should curse his parents." It was asked (by the people), "O Allāh's Messenger! How does a man curse his parents?" The Prophet ﷺ said, "The man abuses the father of another man and the latter abuses the father of the former and abuses his mother." (1) (Ch. 3) Jihād is compulsory for the Muslim community. So a Muslim should take permission from his parents to go for it, but when an enemy of Islām attacks the Muslim rights or their country, then he does not need the permission of parents.
