For what knowest thou, O wife, whether thou shalt save [thy] husband? or how knowest thou, O man, whether thou shalt save [thy] wife?
Berean Study Bible (BSB) - 1 Corinthians 7:16 >How do you know, wife, whether you will save your husband? Or how do you know, husband, whether you will save your wife?
Textus Receptus (TR) - 1 Corinthians 7:16 >Τί γὰρ οἶδας, γύναι, εἰ τὸν ἄνδρα σώσεις; Ἢ τί οἶδας, ἄνερ, εἰ τὴν γυναῖκα σώσεις;