12 But to the rest I, not the Lord, say: If any brother has a wife who does not believe, and she is willing to live with him, let him not divorce her… 15 But if the unbeliever departs, let him depart; a brother or a sister is not under bondage in such cases. But God has called us to peace. (1 Corinthians 7:12, 15, NKJV)
Some Christians question whether they must end their marriage to an unbeliever, in order to be faithful to Jesus. The apostle applies Jesus’ teaching from Matthew 19:6 – “what God has joined together, let not man put asunder” – and answers, “No.” Is the unbeliever is willing to allow the Christian to live his or her faith, do so and bring a godly influence into the home (1 Cor. 7:12-14; 1 Pet. 3:1-6). If that willingness is not present, and the unbeliever sunders the marriage (being unwilling to have his or her spouse to live for Christ, v. 16), the Christian is “not under bondage in such cases.” That is, the Christian is not now, and never has been a slave to the unbeliever (see 1 Cor. 7:23). This verse does not teach another cause for divorce and remarriage, that is, desertion. (Marriage is for life, with one cause for one party to be free to remarry, the cause of fornication, Matt. 19:3-6, 9.) Instead, it teaches the believer that his or her faith is not negotiable – even in a marriage. Do not surrender your faith for the sake of pleasing any person; “you were bought at a price; do not become slaves of men” (1 Cor. 7:23). God has called you to be at peace with Him (v. 15). So, do the will of God, not the will of men.