Surely, they will not separate until the return to me at the pool (of paradise).

Surely, they will not separate until the return to me at the pool (of paradise).” We, in order to understand these religious, legal duties, in addition to the Noble Qur’an and the sayings of the Messenger of Islam and the twelve A’immah, we follow that which scholars and Jurists have gained a consensus upon and confirmed. Likewise, (we believe) in that which the rationale rules upon with certainty.

These four matters (the Qur’an, the traditions of the Prophet and the descendants, that which the Jurists have gained a consensus upon and the evidence of reasoning) are called the Four Evidences (Al-Adillah Al-Arba'). We see that it is always necessary that a group of scholars of religion establish a study of religious…