The president of the Arabic language complex, Dr. Khalid Al-Karaki, gave a lecture at the Royal Jordanian National Defense College For the scholars in 19th courses in the presence of a commander, president and directing of the college. Al-Karaki said that the legislative criterion for national unity in any country is the constitution, in the Jordanian constitution, we find that the Kingdom is Arab and the religion of the state is Islam and its official Arabic language. He stressed that the Jordanian national personality derived its advantages from the constants of the Great Arab Revolution mixed with the originality and spaciousness of the Jordanian people and influenced by the characteristics of the Hashemite leadership and its religious legitimacy, pointing out that the changes and developments throughout history since the establishment of the Jordanian state to the present are the ones that refined the national personality At the end of the lecture, an extended discussion took place during which the guest answered scholar’s questions and inquiries.