As astounding as co-eternity and co-equality with the Father in majesty and glory is, this is not the most significant answer Jesus gave in this Gospel reading, not for us at least.
The celebration of Trinity Sunday–the only church festival specifically dedicated to a doctrine–reminds us of the necessity of confessing that the one God exists in three persons, Father, Son, and Holy Spirit.
The one true God has revealed himself as the answer to the longings of every human heart. The search has ended. He is Father, Son and Holy Spirit. Holy, Holy, Holy.
Does Isaiah find himself in the Holy of Holies in the Jerusalem Temple, or is this taking place in the Heavenly Temple? Perhaps we might say the answer is “Yes.”
The Apostle Peter’s monumental sermon on Pentecost declares the Kingdom purposes and divine saving work of the Father, Son, and Holy Spirit which culminates in the new world order with Christ in charge.
Before the Fall the waters were one dimensional—they gave life. After the Fall, another dimension is added. The waters kill/drown and they give life. This becomes the New Testament language of Baptism.
Peter’s monumental sermon on Pentecost declares the kingdom purposes and divine saving work of the Father, Son, and Holy Spirit which culminate in the new world order with Christ in charge, governing in the power of the Spirit.