What does Deuteronomy 20:10-18 mean?
Deuteronomy 20:10-18 tells Israel to offer peace first to distant cities, but to destroy the Canaanite nations inside the land so they would not teach idolatry. The passage is about Israel's war rules under Moses, not a general command for all times and places. Early Christian writers later used these verses as part of larger discussions about peace, judgment, and God's law.
128 early-church witnesses · 233 source quotations · compared with Scripture
What does Deuteronomy 20:10-18 mean?
Deuteronomy 20:10-18 means that Israel was told to offer peace first to a faraway city, but if the city refused, they could fight it under God's law. The passage also sets apart the nations in the land of Canaan for total destruction so Israel would not copy their idol worship.
Early Christian writers such as Clement of Alexandria, Cyprian, Tertullian, and Origen quoted related parts of Deuteronomy when talking about peace, war, and God's judgment, but they did not all focus on this exact passage in the same way. Many more early Christian quotations, Bible passages, and source links are gathered below so you can study the evidence for yourself.
Passage context
This law belongs to Moses' instructions for Israel before they entered the land. Earlier verses in the chapter tell Israel not to be afraid in battle and to hear the priest's words of encouragement. Verses 10-15 cover peace with distant cities, while verses 16-18 give the rule for the nations in the land itself.
Why early Christian sources matter
Early Christian writers help show how the church read these war laws after Christ came. Clement, Cyprian, Tertullian, and Origen often quoted Deuteronomy to explain peace, judgment, or God's rule over history. Their comments are mostly indirect here, so they help with broad interpretation more than with one settled reading of the exact verses.
Common interpretation points
- The peace offer in verse 10 is real and comes before war.
- The total destruction command in verses 16-18 is tied to preventing Israel from learning idolatry.
- Early Christian citations here are mostly about the larger Deuteronomy war theme, not verse-by-verse explanation.
- A few nearby passages, especially Deuteronomy 7 and 13, are used more often than 20:10-18 itself.
Evidence-Based Summary
Deuteronomy 20:10-18 says Israel should offer peace first when a city is far away, but if the city rejects peace, Israel may attack it under that law. The passage then limits this rule: the nearby Canaanite nations were placed under total destruction so Israel would not learn their idolatry.
Early Christian writers like Clement of Alexandria, Cyprian, Tertullian, and Origen mainly quoted the chapter as part of a larger discussion of Israel's wars and God's commands, not as a standalone teaching about Christian warfare. The early Christian evidence is real but thin for the exact verse range, and much of it is indirect or grouped with nearby texts like Deuteronomy 7 and 13.
Key Takeaways
- Deuteronomy 20:10-18 gives two rules: offer peace to distant cities, and destroy the Canaanite nations in the land.
- The reason for the hard command is spelled out in verse 18: to keep Israel from idolatry.
- Early Christian writers cite the chapter, but their use is mostly indirect and spread across related Deuteronomy passages.
Questions Answered by the Sources
Did early Christians read Deuteronomy 20 as offering peace before war?
Yes. Deuteronomy 20:10 says to proclaim peace when approaching a city, and Deuteronomy 20:11 says to spare the city if it accepts. Clement of Alexandria also points to Deuteronomy 20:10 when speaking about enemies being summoned to peace first.
-
Deuteronomy 20:10 Direct teaching
When thou comest nigh unto a city to fight against it, then proclaim peace unto it.
-
Deuteronomy 20:11 Direct teaching
And it shall be that if they accept your offer of peace, and open to you, then all the people who are found in it shall be placed under tribute to you, and serve you.
-
Clement of Alexandria, The Stromata (Miscellanies) Supporting witness
And enemies, although drawn up before the walls attempting to take the city, are not to be regarded as enemies till they are by the voice of the herald summoned to peace. Deuteronomy 20:10
Did Deuteronomy require total destruction of the Canaanite nations?
Yes. Deuteronomy 20:16-18 says Israel was not to leave anything alive in those cities, and verse 17 names the Hittites, Amorites, Canaanites, Perizzites, Hivites, and Jebusites. The reason given is that Israel must not learn their abominations or sin against the Lord.
-
Deuteronomy 20:16 Direct teaching
But in the cities of these peoples that the LORD your God is giving you for an inheritance, you shall save alive nothing that breathes,
-
Deuteronomy 20:17 Direct teaching
But thou shalt utterly destroy them; namely, the Hittites, and the Amorites, the Canaanites, and the Perizzites, the Hivites, and the Jebusites; as the LORD thy God hath commanded thee:
-
Deuteronomy 20:18 Supporting witness
That they teach you not to do after all their abominations, which they have done unto their gods; so should ye sin against the LORD your God.
-
Deuteronomy 7:2 Supporting witness
and when the Lord your God delivers them over to you, you shall conquer them and utterly destroy them. You shall make no covenant with them nor show mercy to them.
How did early Christian writers use Deuteronomy's war laws?
They mostly used these verses as part of larger arguments about God's justice, peace, and judgment. Cyprian cites Deuteronomy 13 alongside this chapter's kind of hard language, Tertullian ties Deuteronomy to the duty to love God only, and Origen says the Jewish law once included the right to fight and punish in its own land.
-
Cyprian, Treatises Supporting witness
Deuteronomy 13:6-10 And again the Lord speaks, and says, that neither must a city be spared, even though the whole city should consent to idolatry: Or if you shall hear in one of the cities which the Lord your God shall give you, to dwell there, saying, Let us go and serve other gods, which you have not known, slaying you shall kill all who are in the city with the slaughter of the sword, and burn the city with fire, and it shall be without habitation forever.
-
Tertullian, Scorpiace Supporting witness
Deuteronomy 13:6 He adds likewise concerning cities, that if it appeared that one of these had, through the advice of unrighteous men, passed over to other gods, all its inhabitants should be slain, and everything belonging to it become accursed, and all the spoil of it be gathered together into all its places of egress, and be, even with all the people, burned with fire in all its streets in the sight of the Lord God;
-
Cyprian, Treatises Supporting witness
In Deuteronomy it says: “But if your brother, or your son, or your daughter, or your wife who is in your bosom, or your friend who is as your own soul, should secretly urge you, saying, ‘Let us go and serve other gods,’ the gods of the nations, you shall not consent to him, and you shall not listen to him. Neither shall your eye spare him, nor shall you conceal him. You shall certainly report him. Your hand shall be first against him to put him to death, and afterward the hand of all the people. And they shall stone him, and he shall die, because he has sought to turn you away from the Lord your God.” Deuteronomy 13:6-10. And again the Lord speaks and says that not even a city must be spared, even if the whole city agrees to idolatry: “Or if you hear in one of the cities which the Lord your God gives you to live in, saying, ‘Let us go and serve other gods,’ which you have not known, you shall surely kill all who are in the city with the sword, and burn the city with fire, and it shall remain uninhabited forever. Moreover, it shall never be rebuilt, so that the Lord may turn from the fierceness of His anger. And He will show you mercy, and He will pity you, and will multiply you, if
-
Tertullian, Scorpiace Supporting witness
...elves gods of silver, neither shall you make for yourselves gods of gold." Exodus 20:22-23. Also in Deuteronomy, to this effect: "Hear, O Israel; the Lord your God is one: and you shall love the Lord your God with all your heart and all your might, and with all your soul." Deuteronomy 6:4. And again: "Neither do you forget the Lord your God, who brought you forth from the land of Egypt, out of the house of bondage. You shall fear the Lord your God, and serve Him only, and cleave to Him, and swear by His name. You shall not go after strange gods, and the gods of the nations which are round about you, because the Lord your God is also a jealous God among you, lest His anger should be kindled against you, and destroy you from off the face of the earth." Deuteronomy 6:12. But setting before them blessings and curses, He also says: "Blessings shall be yours, if you obey the commandments of the Lord your God, whatsoever I command you this day, and do not wander from the way which I have commanded you, to go and serve other gods whom you do not know." Deuteronomy 11:27. And as to rooting them out in every way: "You shall utterly destroy all the places where the nations, which you shall
-
Origen, Against Celsus Background
But in the case of the ancient Jews, who had a land and a form of government of their own, to take from them the right of making war upon their enemies, of fighting for their country, of putting to death or otherwise punishing adulterers, murderers, or others who were guilty of similar crimes, would be to subject them to sudden and utter destruction whenever the enemy fell upon them;
-
Origen, Against Celsus Background
...et groups against the law. He says that some associations are public, and that these agree with the laws. Others, however, are secret and are kept up in violation of the laws. He wants to bring disgrace on what are called the Christians' love-feasts, as if they began because of a shared danger and bound people together more strongly than any oaths. So then, since he talks foolishly about public law and claims that the associations of Christians break it, we must answer as follows. If a man were living among Scythians, whose laws were unholy, and had no chance to escape, and so was forced to live among them, such a man would rightly, for the sake of the law of truth, enter into associations against their laws with others who thought as he did, even though the Scythians would regard that law of truth as wickedness. In the same way, if truth is to decide the matter, then the laws of the heathens about images and an atheistical polytheism are Scythian laws, or even more impious than those, if anything can be more impious. It is not irrational, then, to form associations against existing laws, if it is done for the sake of the truth. For just as those people would do well who entered
Common Questions
Why does Deuteronomy 20 command peace first and then war?
It starts with peace because not every city is treated the same. If a city is far away and accepts peace, it is spared from war. If it refuses, the law allows attack.
Why were the Canaanite nations treated differently?
The passage says they were to be destroyed so Israel would not learn their detestable worship and sin against the Lord.
Did early Christians quote Deuteronomy 20:10-18?
Yes, but mostly in passing or as part of larger arguments about peace, war, and God's law.
Is Deuteronomy 20:10-18 about all war?
No. It is a law for Israel in a specific time and setting, with a peace offer for some cities and a different rule for the nations in the land.
Why do early Christian writers mention Deuteronomy 20?
They use it to talk about peace, judgment, and God's authority in history, often along with other Deuteronomy war texts.
Source Index for Deuteronomy 20:10-18
The guided sections above show the strongest quotations. This compact index highlights 160 ranked source links from 233 compiled sources for deeper study.
Source index 160 ranked links shown
Early Christian Writings 80 shown of 128
Primary-source quotations from early Christian writers and church documents.
Bible Passages 80 shown of 105
Related Bible passages saved for comparison with the early Christian quotations.