The following is from the draft english translation of the Arabic book مقدمة الدستورأو الأسباب الموجبة له (Introduction to the constitution and the evidences that make it obligatory) published by Hizb ut-Tahrir 1382 Hijri (1963 CE). Please refer to the original Arabic for accurate meanings. Please note some of the adopted opinions of the Hizb have changed since the time the book was published so any of the adopted literature published after this book which contradicts what is mentioned in this book abrogates those specific points Article 24 It is the Khalifah who deputises for the Ummah in authority and in implementing the Shari'ah. Khilafah is the general leadership of all the Muslims in the world, charged with the implementation of Shari'ah and of carrying the Islamic Da'awah to the whole world. It is the Muslims who appoint he who assumes this leadership, i.e. who appoint the Khalifah. Since the authority belongs to the Ummah and since the implementation of Shari'ah
"Thoughts are the greatest wealth of any nation."