John Chrysostom

Ver. 4. "That they may teach the young women to be sober." Observe how he binds the people together, how he subjects the younger women to the elder. For he is not speaking there of daughters, but merely in respect of age. Let each of the elder women, he means, teach any one that is younger to be sober. "To love their husbands." This is the chief point of all that is good in a household, "A man and his wife that agree together." (Ecclus. xxv. 1.) For where this exists, there will be nothing that is unpleasant. …

Homily on Titus 4 ↗

Theophylact of Ohrid

Not only their own daughters, but all who are young in age. Let each older woman "instruct" the younger, and above all in the most important domestic good — "to love their husbands." When this is present, everything else will follow: order in the home and abundance in possessions; but when this is absent, even if everything else were present, it will all slip away. He who loves the root, that is, the father, will all the more love the fruits as well, that is, the "children."

Commentary on Titus ↗

Oecumenius

So that they may train the young women to love their husbands, to love their children, to be self-controlled, pure, homemakers, kind, submissive to their own husbands, so that the word of God may not be reviled. so that they may train the young women. Paul is not speaking only about their daughters but of women in general, and for the younger to be subordinate to the older. to love their husbands. This is the head of all duties that exist in the family, from which the rest arise. to love their children. …

Commentary On Titus ↗

Thomas Aquinas

Then when he says, to love their husbands, he shows how the young are to be taught: first, the young women; second, the young men, at exhort young men. In regard to the first he does three things: first, he shows how young women should behave toward their husbands; second, toward themselves; third, toward their subjects. In regard to the first he says, to love their husbands. …

Commentary on Titus ↗