Shiaism. A Brief Analysis

The truth and spirituality of any religion is based on the devotion and sincerity of its founder as well as the correctness, truthfulness and sincerity of its principles. If the one presenting the religion is truthful and accepted as truthful, and possesses a sublime character that is unmatched the world over, and the principles of the religion are such that they are totally flawless in the eyes of every individual of sound intellect, then that religion is accepted and worthy of being adopted. 

If the founder of the religion is such as that of the Rafidhis and the principles are those found in Shiaism, then they are not acceptable to anyone of sound temperament. Who is the founder of Shiaism and what are Shia principles? I hereby present a brief but useful and accepted outline of Shiaism, supported by a number of references.