The core meaning of faith is belief in God and all that he has revealed: “Faith is the theological virtue by which we believe in God and believe all that he has said and revealed to us, and that Holy Church proposes for our belief, because he is truth itself ” (CCC 1814). But faith also includes the full commitment of our lives, what the Catechism calls the commitment of our entire selves to God (1814). The implication is that true faith, as it grows and matures in us, cannot remain simply within our minds as a belief or conviction; it manifests itself in personal commitment as we entrust ourselves completely to God. “Faith is first of all a personal adherence of man to God. . . . It is right and just to entrust oneself wholly to God and to believe absolutely what he says” (150). Or as the Catechism says elsewhere, “To believe is to say ‘Amen’ to God’s words, promises and commandments; to entrust oneself completely to him who is the ‘Amen’ of infinite love and perfect faithfulness” (1064).