What did God's new work after four thousand years begin with?
After four thousand years of varying responsibilities, God's new work began with the fulfillment of a promise He made in Genesis chapter three, verse fifteen, as the Messiah was born in Bethlehem at the exact time according to God's schedule, when the fullness of the time had come.
Les explains that Israel lived under those circumstances until the work of the cross was finished, but that work could not be finished until Christ was first born at Bethlehem. After four thousand years of varying types of responsibility, God suddenly does something totally different. It begins with the fulfillment of the promise made way back in Genesis chapter three, verse fifteen. When the fullness of the time was come, the Messiah was born in Bethlehem at the exact right day, hour, and year according to God's timetable. Les also notes that Paul does not rehearse all the details of Joseph and Mary because they were already implied and prophesied; the crucial point is Christ's birth in Bethlehem.
And I will put enmity between thee and the woman, and between thy seed and her seed; it shall bruise thy head, and thou shalt bruise his heel.
But when the fulness of the time was come, God sent forth his Son, made of a woman, made under the law,