Some Shia believes from their own books.
Allaah often lies and does mistakes. (usool-e-kaafi, page #328, yaqoob kulaini, vol1).
Abu Bakr is kafir and the one who loves Abu Bakr is also kafir. (Faq-ul-yaqeen, page #690, Baqar majlisi).
All Prophets are beggar at the doorstep of Ali...