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“When you go out to battle against your enemies, and you see horses and chariots, a force greater than you, do not be afraid of them; for the LORD your God, who brought you up out of the land of Egypt, is with you.
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When you draw near to battle, the priest shall come forward and speak to the people,
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and shall say to them, ‘Hear, O Israel: you are now drawing near to battle against your enemies. Do not let your heart faint; do not be afraid, do not tremble, and do not be terrified because of them,
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for the LORD your God is the one who goes with you, to fight for you against your enemies, to give you victory.’
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Then the officers shall speak to the army, saying, ‘Who is the man who has built a new house and has not yet dedicated it? Let him go and return to his house, lest he die in battle and another man dedicate it.
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And who is the man who has planted a vineyard and has not yet enjoyed its fruit? Let him go and return to his house, lest he die in battle and another man enjoy its fruit.
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And who is the man who has become engaged to a woman and has not yet married her? Let him go and return to his house, lest he die in battle and another man marry her.’
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And the officers shall speak further to the army, saying, ‘Who is afraid and fainthearted? Let him go and return to his house, so that his brothers’ hearts may not melt like his own heart.’
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When the officers have finished speaking to the army, commanders shall be appointed to lead the army.
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When you draw near to a city to fight against it, you shall offer it terms of peace.
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If it accepts your terms of peace and opens its gates to you, then all the people found in it shall do forced labor for you and serve you.
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But if it will not make peace with you, but makes war against you, then you shall besiege it;
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and when the LORD your God gives it into your hand, you shall strike down all its males with the edge of the sword.
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Only the women, the little ones, the livestock, and everything in the city—all its spoil—you may take for yourself; and you may use the spoil of your enemies, which the LORD your God has given you.
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Thus you shall do to all the cities that are very far from you, which are not among the cities of these nations.
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But from the cities of these peoples, which the LORD your God gives you as an inheritance, you shall let nothing that breathes remain alive,
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but you shall utterly destroy them: the Hittite, the Amorite, the Canaanite, the Perizzite, the Hivite, and the Jebusite, as the LORD your God has commanded you,
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so that they may not teach you to do according to all their abominations, which they have done for their gods, and so cause you to sin against the LORD your God.
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When you besiege a city for a long time, making war against it to take it, you shall not destroy its trees by wielding an axe against them; you may eat from them, but you shall not cut them down. For is the tree of the field a man, that it should be besieged by you?
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Only the trees that you know are not trees for food you may destroy and cut down, to build siegeworks against the city that makes war with you, until it falls.”
⚔️🛡️🙏 Summary of Deuteronomy 20 – Rules of War and Courage in the Lord
Deuteronomy 20 sets forth divine rules for Israel in time of war. The Lord directs not only military strategy, but also the heart and attitude of His people when facing conflict. The message is clear: do not be afraid; the Lord fights for you. At the same time, this law teaches an ethic of war marked by justice, mercy, and restraint in violence.
📌 1. Do Not Fear in Battle (verses 1–4)
- When Israel goes to war and sees enemies who are greater and stronger, do not be afraid.
- The priest must speak to the army, reminding them:
“The LORD your God is the one who goes with you to fight for you…” (verse 4)
🎯 True courage does not come from the number of soldiers, but from trust that God is present and with His people.
📌 2. Who Is Allowed to Return Home (verses 5–9)
Some people may return home before battle:
- One who has just built a house and has not yet lived in it.
- One who has just planted a vineyard and has not yet gathered its fruit.
- One who has just become engaged and has not yet married.
- Those who are fearful and fainthearted, so that they do not make others lose heart.
🎯 The Lord values life and does not want His army to fight with fearful hearts or distracted by personal matters.
📌 3. Rules for Distant Cities (verses 10–15)
- Before attacking a distant city, offer peace first.
- If it accepts, the people become workers for Israel.
- If it refuses, and war breaks out:
The men are killed.
Women, children, and property may be taken as plunder.
🎯 God does not approve violence without cause — peace must be sought first.
📌 4. Rules for the Canaanite Cities (verses 16–18)
- The cities in the land that the Lord gives (Canaan) must be completely destroyed:
Nothing is to be left alive (the Hittites, Amorites, Canaanites, etc.).
The reason: so that Israel will not be infected by idolatry.
🎯 This is an act of God’s judgment on a nation that was deeply corrupt morally and spiritually.
📌 5. Prohibition on Damaging Nature in War (verses 19–20)
- Do not cut down fruit trees while besieging a city.
- Trees that do not bear fruit may be cut down for war purposes.
🎯 God teaches that even in war, people must respect creation and not recklessly destroy the environment.
📖 Main Teaching
- Courage in war is born from faith, not from one’s own strength.
- The Lord cares about the condition of the soldiers’ hearts — not everyone is required to go out to war.
- Peaceful efforts must come first, not violence right away.
- The Lord’s judgment on Canaan is unique and is not a justification for modern violence.
- The Lord values creation; even the trees must be treated wisely.
✨ Spiritual Meaning (New Testament)
- Spiritual warfare is a major theme in the New Testament:
“For our struggle is not against flesh and blood…” (Ephesians 6:12)
- Our weapons are faith, righteousness, the Gospel, and prayer, not swords or worldly weapons.
- The principle “do not be afraid” still applies:
“If God is for us, who can be against us?” (Romans 8:31)
🎯 The Lord wants us to face the “battles of life” with faith, courage, and love, not hatred.
“For the Lord your God is the one who goes with you, to fight for you against your enemies, to give you victory.” – Deuteronomy 20:4
