For how do you know, O wife, whether you shall save your husband? or how do you know, O man, whether you shall save your wife?
All Commentaries on 1 Corinthians 7:16 Go To 1 Corinthians 7
Ambrosiaster
AD 400
Paul says this because it is always possible that the unbelieving partner will come to believe if he or she does not detest the name of Christ. Commentary on Paul’s Epistles.
