Catholics believe in one God and that in the one God there are three divine persons. The Blessed Trinity is the central mystery of the Catholic faith. Knowing the Trinity is necessary to know who God is.
The Father is the first person of the Trinity. The Son is the second person and the Holy Spirit is the third person.
The mystery of the Holy Trinity is that the Father, the Son, and the Holy Spirit are all equally the same eternal God even though they are separate and unique persons.
As Catholics we are invited to share in the life of the Holy Trinity, by whose grace and in whose name we are baptized.
The Church celebrates the Solemnity of the Most Holy Trinity on the Sunday after Pentecost.
God is both one and many:
The central mystery of our faith:
The Trinity is One. We do not confess three Gods, but one God in three persons, the “consubstantial Trinity”. The divine persons do not share the one divinity among themselves but each of them is God whole and entire: “The Father is that which the Son is, the Son that which the Father is, the Father and the Son that which the Holy Spirit is, i.e. by nature one God.” In the words of the Fourth Lateran Council, “Each of the persons is that supreme reality, viz., the divine substance, essence or nature.”
Catechism of the Catholic Church 253
The Trinity in the Creed and councils:
He is an eternal exchange of love:
The Trinity is unique to Christian teaching about God:
But here it is important to note that the Incarnation, even if it directly concerns the Son, is the “work” of the Triune God. The very content of the Annunciation already testifies to this. And then through all of his teaching, Jesus has placed “before us horizons impervious to human reason”, those of the intimate life of God One in the Trinity of the Father, of the Son and of the Holy Spirit. Finally, having accomplished his messianic mission, Jesus, in leaving the Apostles definitively, on the 40th day after the resurrection , fulfilled to the end what He had announced: “As the Father has sent Me, so am I sending you”. In fact, He said to them: “Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit “. In these concluding words of the Gospel, and before the beginning of the Church’s journey in the world, Jesus Christ delivered to her the supreme truth of his revelation: the indivisible unity in the Trinity.
Pope John Paul II, General Audience,19 August 1987
WHAT God is and Who God is:
All metaphors and analogies fail to explain the Trinity:
“When the Advocate comes whom I will send you from the Father, the Spirit of truth that proceeds from the Father, He will testify to Me.
John 15: 26
God’s innermost secret:
We wouldn’t know it if God had not revealed it:
The Trinity is in the Bible but not explicitly:
The Truth, Goodness, and Beauty of the Catholic Church
Standing firm against the culture of death:
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