Deuteronomy · chapter 20 of 34
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Deuteronomy 20 gives the rules for when Israel goes to war: the priest encourages the people not to fear because the Lord goes with them, and several men are exempt from the army. Before besieging a distant city it is offered peace, and the fate of the cities of Canaan is regulated. The chapter also forbids cutting down fruit trees during a siege.
Moses continues reviewing the laws by which Israel will live in the land. After the rules on justice and witnesses, this chapter deals with a difficult subject: war. It is not a military manual but a teaching about who really fights, how harm is limited, and why the orders about Canaan differ from those for distant cities.
Moses says that when Israel goes out to war against an enemy with more horses, chariots and soldiers, it must not be afraid, because the Lord, who brought it out of Egypt, is with it. Before the battle the priest steps forward and urges the people not to lose heart or tremble, because God himself goes with them to fight and give them victory.
The officers then ask who may be released from combat: the man who has built a house and not dedicated it, the man who has planted a vineyard and not eaten from it, the man who is engaged to a woman and has not married her, and the man who is afraid and fainthearted, so that he does not melt the hearts of his brothers. After this the commanders of the army are appointed.
When approaching a distant city, Israel must first offer it peace; if it accepts, its people become subject to forced labor. If not, the city is besieged. In the cities of the nations God is giving as an inheritance, nothing that breathes is to be left alive, otherwise they would teach Israel their abominations. Finally, during a long siege fruit trees are not to be cut down, because the tree of the field is not an enemy; trees that do not bear fruit may be used.
References follow ESV book names and verse numbers. Read each verse in your Bible before the explanation.
Even if the enemy has more horses, chariots and soldiers, Israel must not fear because the Lord, who brought it out of Egypt, is with it. Israel's confidence rests not on its strength but on the God who has already delivered it.
The Lord himself goes with his people to fight for them against their enemies and give them victory. War is presented as God's work, so the people must act with obedience, not pride.
Before attacking a distant city, Israel must offer it peace. The law limits violence and leaves the door open to peaceful surrender before a siege.
During a prolonged siege fruit trees must not be cut down, because the tree of the field is not an enemy that can be attacked. War does not justify destroying what gives life.
6 questions with answers and references, ready for Sunday school, small group or a Bible quiz night.
Answer: Because the Lord their God, who brought them out of Egypt, was with them. — Deuteronomy 20:1
Answer: The priest. — Deuteronomy 20:2
Answer: A man who had built a house and not dedicated it, planted a vineyard and not eaten from it, become engaged and not married, and the man who was afraid and fainthearted. — Deuteronomy 20:5-8
Answer: Offer it peace. — Deuteronomy 20:10
Answer: So they would not teach Israel to imitate their abominations and sin against the Lord. — Deuteronomy 20:18
Answer: The ones that bear fruit for food. — Deuteronomy 20:19-20
Deuteronomy 20 reminds us that fear is a real risk when we face situations that seem bigger than we are: an illness, a crisis, a hard decision. The text does not promise there will be no battles, but it does promise that the Lord goes with his people. In a small group you can share what fears weigh on you today and recall how God has acted before.
This chapter also asks to be read carefully: the orders about Canaan were for a specific time and people and are not a model for violence today. What remains is the concern for limits, for the offer of peace and for not destroying needlessly. Christians today seek to be peacemakers, trusting that the final victory belongs to Christ.
Deuteronomy 20 shows that even war falls under the sovereignty and rules of the Lord. Chapter 21 returns to daily life with laws about an unsolved murder and other family and social situations.
The text explains that it was to keep them from teaching Israel their abominable practices, and other passages in Deuteronomy also speak of the wickedness of those nations. It is a difficult subject: the Bible presents it as a specific judgment at one moment in history, and Christians read it in light of Christ without applying it to conflicts today.
Because the law valued ordinary life: finishing a house, enjoying a vineyard or establishing a marriage. The fearful man was also released so his fear would not discourage others. It shows that Israel's army did not depend on numbers alone.
It teaches setting limits on destruction even in wartime, because trees give food and life. Many read it as a principle of caring for creation that is still useful today.