 The heretics rejected the sacraments of the Catholic Church and claimed a certain righteousness by which alone men could be purified and approach salvation.Gundolfo taught that salvation was achieved through a virtuous life of abandoning the world, restraining the appetites of the flesh, earning food by the labor of hands, doing no injury to anyone, and extending charity to everyone of their own faith.They claimed that Gundolfo's teachings were based on the Gospels rather than on Catholic Church dogma.