The document discusses the concept of "toxic faith", which it defines as believing something that is untrue as if it were true. It notes that toxic faith is different from unbelief in that it involves embracing lies rather than rejecting faith. The document outlines the origins and development of toxic faith, explaining that it can occur when people are told or tell themselves untruths that they come to believe. It warns that toxic faith can have disastrous results and contradicts true biblical faith and the gospel. The document provides steps for correcting toxic faith by recognizing, removing, and replacing misbeliefs with biblical truths.