{Is not a mediator of one} (henos ouk estin). That is, a
middleman comes in between two. The law is in the nature of a
contract between God and the Jewish people with Moses as the
mediator or middleman. {But God is one} (ho de theos heis
estin). There was no middleman between God and Abraham. He made
the promise directly to Abraham. Over 400 interpretations of this
verse have been made!