desiring to be teachers of the law, though they understand neither what they say, nor about what they strongly affirm.

 (a) It comes from an Old Testament background. It is Moses' charge against Israel that Jeshurun "forsook God who made him, and scoffed at the Rock of his Salvation" ( Deuteronomy 32:15). The Psalmist sings of how the good man will receive righteousness from the God of his salvation ( Psalms 24:5). It is Mary's song, "My soul magnifies the Lord, and my spirit rejoices in God my Saviour" ( Luke 1:46-47). When Paul called God Saviour, he was going back to an idea which had always been dear to Israel. 