In 2002, Qassem published a book,
Hizbullah: The Story from Within, which was revised and updated four times, mostly recently in 2010. In 2009,
Mustafa Badreddine replaced
Imad Mughniyeh as the head of Hezbollah's military activities. Qassem did not support the move, favoring his relative Samir Shehade.
Disarmament of Hezbollah Following the Lebanese government's decision about the
disarmament of Hezbollah, which calls for a state monopoly on arms, Qassem stated in a televised speech on 15 August 2025 that there will be "no life" in Lebanon if the government tries to disarm Hezbollah. == Personal life ==