The phrase "la fe de la iglesia" underscores that this Credo is not a personal opinion but the objective deposit of faith, safeguarded by the Magisterium.

He frequently provides translations and interpretations of patristic texts, such as those by Cyril of Jerusalem (Cateq. IX, 10-16) regarding the creation of the world not by chance, but by God.

Sabugal emphasizes that "belief in the Church" is inseparable from "belief in the Holy Spirit," as the Church is the primary "sacrament of the Spirit".