What God Joined Together (2 of 3)

The exception permits divorce in cases of porneia. It does not require it. The person whose spouse has been sexually unfaithful has grounds for divorce but is not obligated to pursue it. Forgiveness, reconciliation, and the restoration of the marriage remain possible and are, where they are genuinely available, the more excellent way. But Jesus acknowledges that the fundamental covenant violation of sexual unfaithfulness constitutes a break in the one-flesh union that the innocent party did not create and is not obligated to repair at the cost of remaining bound to.

The exception permits. It does not require.

This distinction is not a footnote. For many readers, it is the most important sentence in the chapter. The faithful spouse whose partner has committed sexual immorality has legitimate grounds for divorce under the exception Jesus names. What Jesus does not say is that she must use those grounds. The permission is real. The obligation is not there.

The faithful spouse who chooses to remain in the marriage — who pursues repentance in the offending partner, who seeks counseling, who grieves the betrayal and refuses to abandon the covenant — is not ignoring the King’s standard. She may be embodying it. The one-flesh union, once broken, can be repaired. The cross makes that repair possible in ways that human calculation cannot predict or limit. The history of the Church includes marriages that were destroyed by unfaithfulness and rebuilt by grace into something neither partner imagined possible. The exception exists for the situations where that repair is not available or not safe. It is not a requirement to use it wherever it technically applies.

If you are the faithful spouse who has been wronged, reading this chapter, wondering whether staying is faithfulness or foolishness: it can be faithfulness. Seek counsel. Seek safety if safety is in question. Seek repentance in your partner and accountability around him. But do not read the exception clause as a command to leave. It is a mercy extended to you. What you do with a mercy is your decision before the King who gave it.

NOTE: This addition does not change the chapter’s teaching on divorce. It completes it by addressing the half of the equation the chapter omitted: the person who has grounds and chooses grace. Both uses of the exception — departure and remaining — are legitimate before God.

The Remarriage Statement

“And marries another woman commits adultery.” This is the sentence the contemporary church finds most difficult to receive, and the one most in need of honest engagement.

Jesus is not saying that remarriage after divorce is an unforgivable sin. He is not saying that people who are currently in second marriages are living in permanent, unresolvable adultery. He is establishing the standard by which God evaluates the covenant of marriage — a standard that treats the one-flesh union as continuing until death even when the legal and relational dimensions of the marriage have dissolved.

What this means practically for the disciple is not primarily a question about the validity of past decisions — those are between the individual and God, covered by the same cross that covers every other sin and every other failure. What it means practically is that the disciple who is currently married holds that marriage as a covenant that God has joined and that the King’s design intends to be permanent, and that any calculation about leaving it — any quiet entertaining of divorce as a reasonable option for ordinary marital difficulty — is a calculation being made against the backdrop of Jesus’ explicit teaching.

The Disciples’ Reaction

The disciples’ response to Jesus’ teaching is one of the most revealing moments in the entire Synoptic narrative: “If this is the situation between a husband and wife, it is better not to marry.” (Matthew 19:10)

They understood exactly what He said. And their response was not “What a beautiful standard.” It was “If the marriage covenant cannot be easily escaped, perhaps it is safer not to enter it.” This is the response of people who have genuinely heard a hard word. They are not softening it or reinterpreting it. They are stunned by it. They received it as what it is: a demanding standard that requires everything from the people who enter it.

Jesus does not retract the teaching in response to their shock. He acknowledges that the Kingdom standard for marriage is not for everyone — some are called to celibacy for the Kingdom’s sake — but He does not lower the standard. “The one who can accept this should accept it.” (Matthew 19:12)

The Pauline Extension: Desertion

Paul’s treatment in 1 Corinthians 7:10–16 extends Jesus’ teaching to a situation Jesus did not directly address: the believer whose unbelieving spouse leaves the marriage.

“But if the unbeliever wants a divorce, let it take place. In these circumstances the brother or the sister is not bound. God has called you in peace.”

— 1 Corinthians 7:15 (NET)

Paul is not creating a third exception alongside the porneia exception. He is applying the principle of the exception to a specific circumstance: when the unbelieving spouse deliberately abandons the marriage, the believer is “not bound” — released from the obligation to maintain the covenant that the other party has unilaterally dissolved by departure.

This is sometimes called the “Pauline exception” or “desertion clause.” It is a legitimate extension of Jesus’ teaching to a circumstance He did not enumerate. But it requires careful application. Desertion is not a temporary separation, a difficult season, or a marriage in which the believing spouse’s life has become uncomfortable. It is the deliberate, sustained, irreversible abandonment of the marriage by the unbelieving partner.