Today is the Feast of the Most Holy Trinity. Throughout the month of June, in honor of the Unity of the Three Divine Persons, there will be excerpts from the Roman Catechism of the Council of Trent provided for your reflection.
God Is Called Father Because He Adopts Christians Through Grace
But God, particularly in the New Testament, is much more frequently, and in some sense peculiarly, called the Father of Christians, who have not received the spirit of bondage again in fear; but have received the spirit of adoption of sons (of God), whereby they cry: Abba (Father). For the Father hath bestowed upon us that manner of charity that we should be called, and be the sons of God, and if sons, heirs also; heirs indeed of God, and joint heirs with Christ, who is the first born amongst many brethren, and is not ashamed to call us brethren. Whether, therefore, we look to the common title of creation and Providence, or to the special one of spiritual adoption, rightly do the faithful profess their belief that God is their Father.
The Name Father Also Discloses The Plurality Of Persons In God
But the pastor should teach that on hearing the word Father, besides the ideas already unfolded, the mind should rise to more exalted mysteries. Under the name Father, the divine oracles begin to unveil to us a mysterious truth which is more abstruse and more deeply hidden in that inaccessible light in which God dwells, and which human reason and understanding could not attain to, nor even conjecture to exist.
This name implies that in the one Essence of the Godhead is proposed to our belief, not only one Person, but a distinction of persons; for in one Divine Nature there are Three Persons the Father, begotten of none; the Son, begotten of the Father before all ages; the Holy Ghost, proceeding from the Father and the likewise, from all eternity.