Background Information "In order to be saved,all persons who have attained the use of reason must believe explicitly that God exists and that he rewards the good and punishes the wicked;in practice they must also believe in the mysteries of the Blessed Trinity and the Incarnation. By the Blessed Trinity we mean one and the same God in three divine persons,the Father,the Son, and the Holy Ghost.Background Information “In order to be saved, all persons who have attaine “ d the use of reason must believe explicitly that God exists and that he rewards the good and punishes the wicked; in practice they must also believe in the mysteries of the Blessed Trinity and the Incarnation. By the Blessed Trinity we mean one and the same God in three divine persons, the Father, the Son, and the Holy Ghost