Abu Basir asked Imam al-Sadiq (AS), ‘May I be your ransom! Please inform me about the religion that Allah has obligated upon his servants, [the religion] that they cannot afford to be ignorant of and the only religion that will be accepted from them. What is it? The Imam (AS) replied, ‘Bearing witness that there is no god except Allah and that Muhammad (SAWA) is the messenger of Allah, establishing the prayer, paying the alms-tax, pilgrimage to the House for those who are able to do so, fasting the month of Ramadhan. Then the Imam momentarily paused and then repeated twice, ‘and divine guardianship [of the divinely appointed Imams] (al-walaya).