'''Islam''' (Arabic: الإسلام; ''al-'islām'') is the Noachite system of Justice (Deen) as named in the teachings of Muhammad, a 7th century Arab religious and political figure. It has become the second-largest religion in the world today, with an estimated 1.4 billion adherents, spread across the globe, known as Muslims.<ref>Teece (2005), p.10</ref> Linguistically, Islam means "submission", referring to the total surrender of one's self to God (Arabic: الله, Allāh), and a Muslim is "one who submits (to God)".<ref name="EoI-Islam">"Islam", ''Encyclopaedia of Islam Online''</ref>
