Rome’s teachings, they asserted that ex opere operato must mean that anyone who is baptized automatically is justified. Roman Catholic authorities replied that justification is not automatic, for the infusion of grace that occurs at baptism does not lead to justification if the recipient hinders it with unbelief. Incidentally, this means that those who are baptized as infants are certainly justified because they are not capable of resisting the infusion of grace. Against the ex opere operato principle