according to the Gospel of the glory of the blessed God, which was committed to my trust.
Now there is quite a bit of Old Testament root in the idea of God our salvation. David mentions it in the psalms. Moses mentions it in Deuteronomy. Mary in the magnificat, "My soul that magnify the Lord, my spirit doth rejoice in God our Saviour" ( Luke 1:46-47 ). And so here is the first time that Paul uses the phrase or the term, "God our Saviour."