Before we can look for the Trinity in the Old Testament, we need to clarify a few points about the Trinity itself. What Christians believe concerning the Trinity Christians believe there is one God. Biblical scholars refer to this characteristic of God as “the Oneness of God," clarified as being a single being. We are each a human being, God is a Divine Being.…

The Trinity of God was revealed by Jesus and documented by the apostles in many books within the New Testament.  For example, in the Gospel according to Saint Matthew, Our Lord and Saviour had commanded the disciples and apostles to baptise the believers, saying, "Go therefore and make disciples of all the nations, baptising them in the name of the Father and of the…

The ante-Nicene fathers, from the second to the fourth century after Christ, taught and defended the doctrine of the Trinity. Below are two examples:   Tertullian (ca. 160–225)   The first defence of the doctrine of the Trinity was by Tertullian, who was born around 160 AD. He explicitly "defined" the Trinity as Father, Son, and Holy Spirit and defended his theology against Praxeas, although he…

St. Athanasius composed one of the most important books in Christian literature, On the Incarnation, which provides a discourse on the divinity of Christ and the redemptive purpose of the Incarnation. In explaining why the Word of God became man, St. Athanasius provides five main arguments:  (i) The incarnation is the only possible sacrifice to redeem humans from their original sin  (ii) The incarnation…