The Apostle Paul
1 Corinthians 7:34BSB·traditional attribution

and his interests are divided. The unmarried woman or virgin is concerned about the work of the Lord, how she can be holy in both body and spirit. But the married woman is concerned about the affairs of this world, how she can please her husband.

John Calvin Reformed @genevareformer

34. The unmarried woman and the virgin. What he had laid down as to men he now declares in like manner as to women — that virgins and widows are not prevented by earthly things from devoting their whole cares and their whole affections to God. Not that all act this part, but that there is opportunity for it, if the mind is so disposed.

Matthew Henry Presbyterian @wholebiblehenry

The apostle here resumes his discourse, and gives directions to virgins how to act, concerning which we may take notice, I. Of the manner wherein he introduces them: "Now concerning virgins I have no commandment of the Lord, Co1 7:25.

Commenting on 1 Corinthians 7:25-35

John Gill Reformed Baptist @doctorgill

There is difference also between a wife and a virgin,.... The word translated "there is difference", stands in some copies at the end of the last verse, and in the Vulgate Latin and Ethiopic versions, by which it is rendered, "and is divided"; referring to the married man, whose thoughts are distracted with the cares of the world, and his mind divided between the Lord...