Mark 6:18: God's morals today?
How does Mark 6:18 illustrate the importance of upholding God's moral standards today?

The Verse in Focus

Mark 6:18: “For John had been telling Herod, ‘It is not lawful for you to have your brother’s wife.’ ”


Historical Backdrop

• Herod Antipas had put away his own wife and taken Herodias, the wife of his brother Philip (cf. Matthew 14:3–4).

Leviticus 18:16 and 20:21 expressly forbid such a union; John simply repeated God’s revealed standard.

• John’s boldness cost him his freedom and, eventually, his life (Mark 6:27-28).


Key Observations From Mark 6:18

• God’s moral law is objective. John says “not lawful,” anchoring his rebuke in Scripture, not personal opinion.

• Truth is not negotiable. John kept “telling” Herod—ongoing, habitual confrontation.

• Sin is sin even when committed by the powerful. Social rank never exempts anyone from God’s commands (Romans 2:11).

• Upholding holiness invites opposition. John’s imprisonment illustrates the price of fidelity (2 Timothy 3:12).

• Public sin warrants public witness. Herod’s high-profile violation required clear, public correction (Ephesians 5:11).


Why This Matters Today

• Biblical sexual ethics remain unchanged. Hebrews 13:4, 1 Corinthians 6:9-11, and Mark 6:18 stand together against adultery and all immorality.

• Culture shifts, Scripture stands. God’s Word is forever settled (Psalm 119:89); our convictions must rest there.

• Silence empowers sin. Romans 1:32 warns that approving evil is itself evil; speaking truth restrains decay.

• Courageous witness protects souls. Calling sin what it is can rescue the sinner (James 5:19-20).

• Faithfulness outranks popularity. John chose righteousness over royal favor; believers must do likewise (Galatians 1:10).


Practical Ways to Uphold God’s Moral Standards

• Know the Word: daily reading, meditation, and memorization (Psalm 119:11).

• Live what you profess: honor your own marriage vows; flee every form of sexual immorality (1 Thessalonians 4:3-5).

• Speak truth in love: gentle yet firm correction when friends, family, or leaders stray (Ephesians 4:15; 1 Peter 3:15-16).

• Stand together: support churches, ministries, and policies that affirm biblical marriage.

• Accept the cost: rejoice if maligned for righteousness, as did the prophets before us (Matthew 5:11-12).


Summary

Mark 6:18 shows John the Baptist drawing an unyielding line around God’s definition of marriage, no matter the personal fallout. His example reminds believers that upholding divine standards is both our duty and our witness, urgently needed in every generation.

What is the meaning of Mark 6:18?
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