Khalil was 13 years old when he gave his first political speech, which he wrote in 1956 on the anniversary of Balfour Declaration and after the Algerian Revolution. And that was after he asked his Jafaria School principal for permission to do so. As for the first political book he has ever read, it was Jawaharlal Nehru,’s "Glimpses of World History", he also read "Al-Awdā'a Al-Tashrī'iyya Fi Al-Duwal Al-'Arabiyya" by Sobhi Mahmassani.