Today is Solemnity of Trinity Sunday. The Sunday after Pentecost, we celebrate the intimate revelation of God’s inner life, our belief that defines us as Christians: There are Three Persons in One God. Father, Son and Holy Spirit.

The mystery of the Trinity is the Truth that stood out the most at the beginning of my ‘re-conversion’ to the Catholic faith.

When I was in dialogue with a young Muslim he remarked that 1 + 1 + 1 equals three. I later discovered the more accurate formula of 1 x 1 x 1 = one. Although God cannot be reduced to a mathematical equation, all of creation reflects the Creator in some way. For example, there is only one universe yet that one universe consists of space, matter and time. You could not have the universe without any of those three. If there’s an objection to there being only one universe, here is another example: Time consists of past, present and future. These examples however fall way short.

It was the discovery of love that did it for me. I experienced God’s love for me and became convicted of the fact that “God Is Love”. His very essence is love, self-giving Love. I also knew that God loved Himself unselfishly. The Trinity only makes sense! And I came to learn that the family mirrors the Trinity–lover, beloved, the love between them–a mutual exchange of love!

I just heard something excellent. Father Robert Barron breaks it down in his MP3 audio homily Why the Trinity Matters: