Judges 3:2: Why must believers know war?
How does Judges 3:2 emphasize the importance of knowing warfare for believers today?

Setting the Scene

• After Joshua’s generation, many Israelites had never fought a battle.

Judges 3:2 explains why God left hostile nations nearby:

“He did this only to teach warfare to the descendants of the Israelites—especially to those who had not known it before.”


What the Verse Says

• “He did this” – divine intention, not chance.

• “Only to teach warfare” – God saw warfare skills as indispensable for His people.

• “Descendants … who had not known it before” – the inexperienced needed firsthand training, not second-hand stories.


Why God Wanted Them Battle-Ready

• Protection of covenant promises (cf. Genesis 17:7-8).

• Preservation of holiness amid hostile cultures (Exodus 23:33).

• Dependence on the LORD in conflict (Deuteronomy 20:1-4).

• Formation of courageous, disciplined character (Psalm 144:1).


Lessons for Us Today

Although the New Testament believer’s primary battles are spiritual, the principle endures: God allows opposition so we learn to fight well.

• Spiritual opposition tests faith and matures endurance (James 1:2-4).

• Warfare skills are not optional extras; they are part of Christian discipleship (2 Timothy 2:3-4).

• Each generation must learn for itself; yesterday’s victories don’t substitute for today’s training (Judges 2:10; Romans 15:4).


Learning the Skills of Spiritual Warfare

1. Know the Enemy

– “Our struggle is not against flesh and blood” (Ephesians 6:12).

2. Wear the Armor

– Truth, righteousness, gospel readiness, faith, salvation, Word of God (Ephesians 6:13-17).

3. Train With the Word

– Jesus countered every temptation with Scripture (Matthew 4:1-11).

4. Pray Strategically

– “Pray in the Spirit on all occasions” (Ephesians 6:18).

5. Stand in Community

– Soldiers fight in ranks, not isolation (Philippians 1:27).

6. Expect Resistance

– “Do not be surprised… as though something strange were happening” (1 Peter 4:12).

7. Advance by Faith

– “The weapons of our warfare are not the weapons of the world” (2 Corinthians 10:3-5).


Practical Ways to Train

• Daily Bible engagement: sharpen the “sword of the Spirit.”

• Regular fasting: heighten dependence on God (Matthew 6:16-18).

• Accountability groups: mutual encouragement and watchfulness (Hebrews 10:24-25).

• Service and evangelism: put faith into action, extending the front lines (Acts 1:8).

• Memorize key warfare passages: Ephesians 6:10-18; 2 Timothy 2:3-4; 1 Peter 5:8-9.


Encouraging Reminders

• God remains the Commander-in-Chief (Joshua 5:14).

• Training ground trials are evidence of His fatherly care (Hebrews 12:5-11).

• Victory is assured in Christ: “Thanks be to God! He gives us the victory through our Lord Jesus Christ.” (1 Corinthians 15:57)

What is the meaning of Judges 3:2?
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