John Calvin Reformed @genevareformer

21. Submit yourselves. God has bound us so strongly to each other, that no man ought to endeavor to avoid subjection; and where love reigns, mutual services will be rendered. I do not except even kings and governors, whose very authority is held for the service of the community. It is highly proper that all should be exhorted to be subject to each other in their turn.

Matthew Henry Presbyterian @wholebiblehenry

Here the apostle begins his exhortation to the discharge of relative duties. As a general foundation for these duties, he lays down that rule Eph 5:21. There is a mutual submission that Christians owe one to another, condescending to bear one another's burdens: not advancing themselves above others, nor domineering over one another and giving laws to one another.

Commenting on Ephesians 5:21-33

John Gill Reformed Baptist @doctorgill

For the husband is the head of the wife,.... See Gill on Co1 11:3. Even as Christ is the head of the church; all the elect; See Gill on Eph 1:22. And he is the Saviour of the body; not "of our body", as the Ethiopic version reads, of that part of man, which is called the body; though that indeed is redeemed and saved...