Biblical Answer

Understanding Sexual Immorality in Matthew 19

In Matthew 19, Jesus addresses the question of divorce and remarriage, stating that anyone who divorces his wife, except for sexual immorality, and marries another woman commits adultery (v. 9). The term "sexual immorality" (porneia) in this context is a broad term that encompasses various forms of illicit sex, including pre-marital unchastity, incest, and post-marital immorality. Most interpreters understand porneia to refer primarily to literal sexual immorality, but it may also draw on Old Testament sexual metaphors for idolatry and unfaithfulness to God.

The New Testament terms "sexual immorality" and "sexually immoral" (porneia, pornos) assume that sexual activity outside of marriage is illicit sex (Acts 15:20; 1 Cor 6:9). In 1 Corinthians 6:9-10, Paul lists various sins, including sexual immorality, as those that will exclude someone from the kingdom of God. The Bible's prohibition against adultery includes any act of sex outside of the bonds of marriage, as well as sensual images and behaviors that lead to sin (Exodus 20:14; 1 Corinthians 6:12-20). Sexual sin is never considered a matter of indifference, but rather a sin that characterizes those who are outside of God's will (Romans 1:24-27).

In Matthew 19, Jesus' statement about sexual immorality as grounds for divorce and remarriage is consistent with the biblical teaching that sexual immorality is a sin that must be repented of, forsaken, and forgiven. The Bible's prohibition against sexual immorality is not arbitrary, but rather is rooted in God's desire for holy and faithful relationships. As Jesus teaches, anyone who divorces his wife, except for sexual immorality, and marries another woman commits adultery, illustrating the seriousness with which God views sexual sin. The biblical teaching on sexual immorality serves as a warning to those who pursue perverse lifestyles, and encourages believers to live in accordance with God's will for holy and faithful relationships.