Through the Covenant of Circumcision we consciously declare that humanity is meant to transcend evolution—history is evolution by other means, just as culture is instinct by other means. Only when human beings become partners with God in their own creation, do they become truly human.
When Avraham is told to leave his country, he’s being told to leave behind more than a mere place. The midrash sees God’s command to Avraham as a lesson in self-transformation. Avram and Sarai cannot give birth to children; Avraham and Sarah will give birth to a nation!