hubris

Pronunciation: hyoo-bris (listen to it on m-w.com)

Noun: excessive pride or extreme self confidence; arrogance

Etymology: Late 19th century; From Greek hybris (insolence). In Greek mythology, Hybris was the goddess of insolence, violence, wantonness, reckless pride, arrogance and outrageous behavior in general.

Usage: Funnily, there are a lot of a) political, b) self help, c) religious, and d) financial books in Google Book search results.