Here is how the Church defines the Trinity. God is one substance or being yet three persons. There is only one God because there is only one divine substance.

"The Trinity is a mystery of faith in the strict sense, one of the 'mysteries that are hidden in God, which can never be known unless they are revealed by God'. [Dei Filius 4: DS 3015.] ...

But the Trinity is about the closeness, the involvement of God. It’s about our being able to look behind the curtain and see what is actually going on in God’s life.

Any religious group that rejects the doctrine of the Trinity is clearly outside of Christianity. After all, anyone who rejects the true nature of God is walking in spiritual darkness (see John 1:5 ...

The discussion over the Trinity is one of the oldest in the faith, equally steeped in theology and church history. In many ways it is a question of Christ's personhood, his humanity, and in others ...

Every person holds divine worth and inherent dignity within their full-bodied existence. No life is more valuable than ...

Once again, we see that the Trinitarian God has made the cosmos in his image, weaving the Trinity, i.e. himself, into the pattern of the magic carpet of physics and metaphysics.

A difficult but fundamental concept within Christianity, the Trinity is the belief that God is three separate persons but is still a single God. Other ways of referring to the Trinity are the ...

While the Bible does not use the word “Trinity,” the Apostles identified three distinct persons as God. They understood Jesus clearly when he talked about God the Father.