Today, we celebrate a great truth: God is one, as Trinity of Father, Son and Holy Spirit. The early church leader Irenaeus once said, ‘The glory of God is a human being fully alive.’ God’s glory is indeed seen most clearly in the lives of women and men open to the Spirit, and no more clearly than in the life and death of Jesus Christ.
The Resurrection of Christ, and the gift of the Holy Spirit that flowed from that great event, has made in impossible for Christian people to speak of God separately from Jesus the Son. So, for example, when the Old Testament says, ‘In the beginning, God created the heavens and the earth’ (Genesis 1.1), the New Testament responds, ‘In the beginning was the Word, and the Word was with God, and the Word was God’ (John 1.1).
The entire history of the Church may be seen as the way Christian people have grappled with the realisation that God became human for the sake of the human race, and sends the Spirit among us to transform us in the true image of God, the image of Christ.
Christ has become the yardstick by which we measure what God is like. As one-time Archbishop of Canterbury Michael Ramsay once said, ‘God is Christlike, and in God there is no unchristlikeness at all.’
And in God’s temple all cry, ‘Glory!’ (Psalm 29.9)