Some of the proofs are available on this page Most of the Muslim UMMAH and Western scholars have very little genuine and reliable knowledge of SHIA beliefs and practices. The divergence of Shiaism from Islaam can be summarized from the books which they consider most authentic, and the statements of their most respected scholars. This sect has developed into what we now know as the Shia whose beliefs and thoughts are repugnant beyond belief. Shiaism (The Rafidah) and Islam are indeed different religions.
