To the rest I say (I, not the Lord) that if any brother has a wife who is an unbeliever, and she consents to live with him, he should not divorce her.
12. To the rest I say By the rest he means those who are exceptions, so that the law, common to others, is not applicable to them; for an unequal marriage is on a different footing, when married persons differ among themselves in respect of religion; Now this question he solves in two clauses.
In this paragraph the apostle gives them direction in a case which must be very frequent in that age of the world, especially among the Jewish converts; I mean whether they were to live with heathen relatives in a married state. Moses's law permitted divorce; and there was a famous instance in the Jewish state, when the people were obliged to put away their idolatrous wives, Ezr 10:3.
Commenting on 1 Corinthians 7:10-16
But to the rest speak I, not the Lord,.... He had spoken before to married persons in general, and had delivered not his own sentiments barely, but the commandment of the Lord, that such should never separate from, or put away each other; in which he has respect to such as were upon equal foot in matters of religion, who were both of them believers...