Even the most brilliant theologian would have to say that the doctrine of the Holy Trinity cannot truly and completely be understood. However, the mystery of the Trinity can be known, because our knowledge – and indeed, our experience – of the Holy Trinity has been revealed to us by God Himself, in and by our Lord Jesus Christ.
From Christ we have learned what nature alone could never show us about the Godhead. From Christ we have learned what our own human understanding could never fathom. If we were left to our own understanding, we would probably try to understand the Trinity from a mathematical point of view – one God; three Persons; three equals one, which is an impossibility; therefore God as Trinity is an impossibility.
But Christ has revealed this mystery to us in a completely different way. It’s not about mathematics; rather, it’s about the relationship of Persons within the one Godhead. From Christ we have learned to know God as Father, Son, and Holy Ghost – Three in One and One in Three – the Father sending the Son to redeem the world, the Holy Spirit being sent from the Father and the Son to dwell in us, and to make us holy, even as God is holy.
When we look back on all that we celebrate throughout the year, we see that the foundation of the Catholic Faith is the reality of the Holy Trinity. From the birth of our Saviour to His crucifixion; from His resurrection and ascension to the coming of the Holy Spirit in wind and fire, so we have had the revelation from God Himself that He is Father, Son and Holy Spirit.
Of course, it is through Jesus Christ, and through Him alone, that we truly know Almighty God. Christ has explained and interpreted God to man. Christ has told us, “He who has seen me has seen the Father.” The Father and the Son are one. The Father and the Son are so united in the majesty and perfect holiness of their divine nature that whoever saw the Son, even though in human flesh, saw the immortal and invisible Father. It was so strange and wonderful a thing, that even his Apostles were astonished and perplexed by it. Remember when St. Philip said to Christ, “Lord, show us the Father, and it will be enough.” And Jesus answered him, “Have I been so long with you, and yet you do not know me? He who has seen me has seen the Father…” In Jesus Christ is the fullest and most perfect revelation of what God is, of what God loves, of what God does and of what God will do.
Only in Jesus Christ can we fully know God. Certainly, the world which He made tells us about Him. All around us is the evidence of His power, and in His creation we see His wisdom and His goodness. So whether we look to the stars and sky above, or to any part of creation, these things tell us of the God who created those things. But they tell us only that He “is,” not necessarily Who He is. It is Christ who has brought God close to us, so that we can actually know Him, and not simply know “about” Him.
Christ has shown us the image and holiness of the unseen God. In Christ we know who God is. We are able to comprehend Him. In the mind of Christ we read the mind of God. In the character of Christ we learn everything that we can know of the character of God. In the deeds of Christ we see the love and pity and tenderness and long-suffering of God. In the words of Christ we hear the judgements of God, and in Christ we can know the truth as it is revealed and upheld by God. We see in Christ the spotless goodness of God – and in the sacrifice of Christ on the cross we see what our thoughts and imagination could never have dreamed of, when it comes to the love of God for us. Namely this: that “God so loved the world, that He gave his only-begotten Son, to the end that all that believe in him should not perish, but have everlasting life.” And so in Christ God is love Incarnate. And this love is meant to take root in our own hearts, because God can be known by no one except those who are like Him through the godly love in their hearts. And in this way, Christ teaches us not only of the Father, but of the Holy Spirit, too, who is that very love within us, and who makes us “ambassadors of Christ” in the world. Our vocation is to “incarnate” God’s mercy and love and forgiveness to others.
The mystery of the Holy Trinity – that God is Father, Son and Holy Spirit, one God – tells us that we can know God as He wants us to know Him. He is not only the unseen incomprehensible and divine power who can do as He wills with us, and whose ways we cannot see or even guess at – but God is the one who is the loving Father of us all, the God of truth and righteousness, the God whose eyes are upon all His works in merciful and loving wisdom, who pities the sinner and forgives the sin, who hears the prayer and fills the soul with grace and gladness, whose Spirit dwells in our hearts and whose Incarnation dwells in our tabernacles.
We can know Him as the God who, even though far above us, nonetheless has come down to us, and in fact, into us – giving us peace, speaking within us as that still, small voice – the voice we can always hear, whether in the silence of the soul, or in the busy noise of the world.
Because Christ has revealed the fulness of the God-head, we can know Him and fear Him and love Him, both here in this life, and in eternity when we have passed out of this world. It is God – Father, Son and Holy Spirit – who reaches out to us so that we can reach out to Him, and find in Him our true hope, and our true home.
Almighty and everlasting God, who hast given unto us thy servants grace, by the confession of a true faith, to acknowledge the glory of the eternal Trinity, and in the power of the divine majesty to worship the Unity: we beseech thee; that this holy faith may evermore be our defence against all adversities; who livest and reignest, ever one God, world without end. Amen.
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Image: The mystery of the Holy Trinity,
Stained glass in the Church of St. Etheldreda, London, England.