The Apostle Paul
Ephesians 5:29ESV·traditional attribution

For no one ever hated his own flesh, but nourishes and cherishes it, just as Christ does the church,

John Calvin Reformed @genevareformer

29. Even as Christ the church. He proceeds to enforce the obligations of marriage by representing to us Christ and his Church; for a more powerful example could not have been adduced. The strong affection which a husband ought to cherish towards his wife is exemplified by Christ, and an instance of that unity which belongs to marriage is declared to exist between himself and the Church.

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 this cause shall a man leave his father and mother,.... These words contain the law of marriage, and are cited from Gen 2:24; and declare what ought to be, and are a prophecy of what should be; and are observed against polygamy, and to stir up mutual affection; See Gill on Mat 19:5. . Ephesians 5:32 eph 5:32 eph 5:32 eph 5:32This is a great mystery,....