Sure ads of all quorum

• Suras of Al-Qur'an: the chapters of the Koran

• Ad: an Arabic tribe to which the Islamic prophet Hud was sent; also the name of the legendary founder of this tribe → as a prophet his mission was to advertise the Islamic faith to the infidel

• quorum: the minimum number of members of a body who must convene before the body can conduct business → the 12 members of a jury → The Twelve → the Twelve Tribes of Arabs descended from Ishmael (Genesis 25:12-16)