1 Corinthians 7:16-18

16 For what know youi, O wife, whether youi shall save [youri] husband? or how know youi, O man, whether youi shall save [youri] wife?

17 But as God-The Father has distributed to every man, as the Lord - Kurios has called every one, so let him walk. And so ordain I in all churches.

18 Is any man called being circumcised? let him not become uncircumcised. Is any called in uncircumcision? let him not be circumcised.