Digest of Biblical Civil Law

With respect to external civil organization, the man is the image of God because Jesus Christ is his head [Gen. 1:26-28; 1 Cor. 11:3-8]. And then the woman is below him, such that she cannot say that she has an equal position, for that would constitute an arrogance which would overturn all order and civic policy. That being the case, the man is the image of God.  Now it is noteworthy that it is said in other passages that there is in our Lord Jesus Christ neither male or female [Gal. 3:28]. That means that his grace extends to the man and the woman so that we all become sharers in that grace.
- John Calvin, Sermon on Genesis 1:26-28, Sept. 9, 1559.