Hence, if strife must prevail to prevent separation, let the other go. How knowest thou, O wife, etc. Let the Christian be gentle, forbearing, unselfish, though true to Christ, and perhaps the result will be that they will be God's means to save their partner. This has occurred in thousands of instances. As God hath distributed to every man.
Circumcision is nothing, etc.
Has no bearing on final salvation. Nothing can take the place of this. Let each man abide, etc. In that secular condition of life in which he was when called. Half the population of the Roman Empire at this time were slaves.