Five pillars: Testament that there is one God and Muhammad is his messenger (shahadah); prayer five times daily; fast during Ramadan; charity to the poor (zakat); pilgrimage (Hajj). Say, "He is Allah , [who is] One, Allah , the Eternal Refuge. He neither begets nor is born, Nor is there to Him any equivalent." - Quran: Surah Al Ikhlas. Slave women served as concubines, and all women were not allowed to study in the presence of a man related to them.