March 17
- ASaunders
- Mar 17
- 12 min read

Leadership, Justice, and Trusting God in Battle
In Deuteronomy 17-20, Moses continues to outline God’s laws for the Israelites, focusing on justice, leadership, and the importance of obedience. These chapters provide specific guidelines for handling matters of worship, criminal justice, and warfare, emphasizing that Israel’s success and prosperity depend on their commitment to God’s commands.
Deuteronomy 17 provides guidelines on how to handle cases of idolatry, the responsibilities of Israel’s kings, and the process of appointing leaders. Moses begins the chapter by addressing the issue of idolatry and unfaithfulness to God. He commands Israel that if someone is found guilty of worshiping other gods or committing wickedness in the land, they are to be punished. The person guilty of such an offense, whether male or female, is to be brought before the judges and witnesses, and if proven guilty, they are to be stoned to death (v. 2-5). This severe punishment demonstrates the seriousness of idolatry and turning away from God, as it undermines the covenant relationship that Israel has with God. One who worshiped other gods deserved capital punishment because this act threatened the nation’s very existence.
The execution could take place only after it had been proved by a thorough investigation (v. 4). To insure against an unjust execution, two or three independent witnesses were required. One witness was inadequate because if he lied, no one would be able to prove or disprove it (v. 6). The witnesses to the crime must cast the first stones, emphasizing that there should be no hesitation in removing the evil from the community. The witnesses were to be the first in the execution so that if their testimony was later proved false, they, in effect, would have committed murder and would be liable to execution. The whole community (all the people) would then join in the execution, thereby demonstrating their rejection of other gods and their commitment to the Lord. Such idolatry was an evil to be purged from the people (v. 7). Moses instructs Israel that justice must be fair and thorough, showing that God’s holiness and the purity of worship are essential to the life of the community.
Idolatry is a serious offense and must be dealt with decisively, as it undermines the holiness of God’s people and their covenant with Him. God desires purity in His people, and we should be intentional about removing sin and idolatry from our lives and communities. Examine your life for idols, whether in your desires, actions, or priorities, and commit to removing distractions that take your focus away from Him.
Moses gives instructions on how to handle difficult cases where the local judges cannot make a decision. In such cases, the Israelites are to go to the priesthood or the judge in the place that God has chosen, which would eventually be Jerusalem (v. 8-9). These leaders are to make a final decision, and the people must follow their judgment, as they are appointed by God to carry out His will (v. 10-11). If someone disobeys the decision made by the priest or the judge, they are to be put to death, ensuring that justice is upheld in Israel (v. 12-13). The punishment for disobedience reinforces the importance of maintaining a just and orderly society that honors God and His commands. This system is designed to ensure that God’s law is upheld and that everyone lives according to His righteous standards.
Likewise, we are called to respect God’s law and the authorities He has established to maintain justice in our society. Submit to authority and seek justice in your own life. Be sure to align your decisions with God’s Word, and encourage fairness and integrity in your community.
Moses then addresses the issue of appointing a king for Israel. He acknowledges that one day Israel will desire a king, just as the other nations have (v. 14). When this happens, the Israelites are instructed to appoint a king chosen by God—not just anyone, but someone from among their own people, not a foreigner (v. 15). The king is to be a humble servant of God, not one who accumulates great wealth, horses, or wives, as these things can lead to pride and idolatry (v. 16-17). The king is also required to write for himself a copy of God’s law and read it daily, ensuring that he remains humble and obedient to God’s commands. His role is to be a leader who fears God and walks in His ways, leading the people in righteousness (v. 18-20). By doing this, the king ensures that the nation remains faithful to God and does not stray into sin or idolatry. This guidance sets the standard for the moral and spiritual qualifications of leadership.
God was not encouraging Israel to appoint a king; in fact, He was against the idea because He Himself was their King, and they were called to follow Him. However, God knew that the people would eventually demand a king for the wrong reasons—desiring to be like the nations around them (1 Samuel 8). Knowing this, He provided specific instructions to ensure that if they insisted on having a king, they would choose someone who would lead according to His laws. These guidelines were given both for the people’s benefit in selecting a ruler and for the king himself to govern in obedience to God’s will.
God desires humble and obedient leaders who are committed to His Word. The king must recognize that his authority comes from God, and his role is to serve God’s people in righteousness (Psalm 2:10-12). Similarly, leaders in any position should reflect humility, obedience, and dependence on God’s Word. If you are in a position of leadership, whether in your family, workplace, or church, examine how you are leading, and commit to anchoring your decisions in God’s Word, modeling humility, and pointing others to His truth.
Deuteronomy 17 underscores the importance of justice, holiness, and righteous leadership in the life of the community. It challenges us to deal with idolatry and sin decisively, promote fairness, and ensure that those in leadership positions are rooted in God’s Word and live humbly before Him. Just as Israel was called to appoint a king who would reflect God’s righteous rule, we, too, are called to honor God’s justice, submit to His authority, and live out His commandments in all that we do. Are you committed to living according to God’s standards of justice, righteousness, and humility, and ensuring that you reflect His leadership in every area of your life? Strive to be a person who honors God’s Word, upholds justice, and lives in humble obedience to Him.
Deuteronomy 18 begins by emphasizing the special role of the Levitical priests within Israel’s community. The Levites, who were set apart by God to serve as priests, would not receive an inheritance of land like the other tribes of Israel. Instead, they were to be supported by the offerings and tithes of the people (v. 1-2). Their income would come from the portion of sacrifices offered by the Israelites, including the burnt offerings, grain offerings, and peace offerings (v. 3-4).
The Levites were entitled to a share of these offerings because of their dedicated service to God and the people. This system ensured that the spiritual needs of the community were met, while the priests were supported in their roles as intercessors and teachers. Moses also mentions that if a Levite chose to live in a town other than the central worship site (which would be established later in Jerusalem), they would still be entitled to the same portion of the offerings (v. 6-8).
The focus here is on ensuring that the priests were able to serve God faithfully and live without worry of economic hardship. As believers, we are called to support our spiritual leaders through our resources and offerings, acknowledging their vital role in our relationship with God. Reflect on your support for those in spiritual leadership. How can you be more intentional in offering your resources to support God’s work through those who teach, lead, and guide the church?
Moses again warns Israel against engaging in pagan practices, including divination, sorcery, witchcraft, and spiritual mediums (v. 9-14). These practices are detestable to God, and the people are forbidden from participating in them (v. 12). Instead, Moses encourages Israel to remain faithful to God and His commands (v. 13).
The Israelites were naturally curious about the occult practices of the Canaanites, but God strictly forbade them from engaging in such activities because Satan was behind them. Even today, people remain fascinated by horoscopes, fortune-telling, witchcraft, and various cults—often driven by a desire to predict or control the future. However, Satan is just as dangerous now as he was in Moses’ time. The Bible provides all the knowledge we need about the future, while anything Satan offers is deceptive and unreliable. With the trustworthy guidance of the Holy Spirit, Scripture, and the church, we have everything we need and should avoid seeking answers from occult sources that only lead to confusion and falsehood.
Then, Moses speaks of a future prophet who will arise among them, one who will be like him but with the authority to speak on God’s behalf. This prophet will serve as a mouthpiece for God, and the people are commanded to listen to him and obey his words (v.15-19). Moses emphasizes that this prophet will be a spiritual leader raised up by God, and the Israelites must heed his message. In verses 20-22, Moses adds that if a prophet speaks in God’s name but the prophecy does not come true, that prophet is not from God and must be rejected. The test for authenticity is whether the prophecy is fulfilled, and false prophets are to be removed from the community (v. 20-22).
The ultimate fulfillment of the Prophet like Moses (v. 5, 18) is found in Jesus Christ—the One who spoke God’s words and brought true deliverance to His people. Even Joshua, despite his leadership, was not compared to Moses, as Scripture states that “no prophet has risen in Israel like” him (Deuteronomy 34:10), possessing both great power and deep intimacy with God. While many prophets would come after Moses, none would fully match his role until Jesus, the Mediator of the New Covenant, appeared. Moses set the standard for all future prophets, and each one was expected to follow his example until the arrival of the One who would establish the New Covenant.
True prophets speak with authority, in alignment with God’s will, and their words must be tested by whether they come to pass (Matthew 7:15-20, 2 Peter 1:21). As followers of Christ, we are called to test the messages we hear and ensure they align with God’s Word. We must also be open to the guidance of God’s true messengers, including Jesus Christ. Examine the voices you listen to for spiritual guidance. Are they consistent with God’s Word and truth? Commit to testing all teachings by Scripture and remaining faithful to the voice of the true Prophet—Jesus.
Deuteronomy 18 emphasizes the purity of worship, the provision for spiritual leaders, and the promise of a true prophet who will lead God’s people. The chapter provides a clear distinction between authentic prophets who speak God’s words and the false prophets who lead people astray. As we reflect on this chapter, we are reminded that God’s provision and guidance are always available to us through His Word and His messengers. As we look to Jesus, the ultimate prophet, we must listen to His voice and remain faithful to His Word in every aspect of our lives. Let us be a people who seek God’s truth, honor those who lead us, and live in obedience to His commands.
Deuteronomy 19 provides instructions regarding the establishment of cities of refuge, the proper administration of justice, and the treatment of witnesses in legal matters.
Moses instructs Israel to establish cities of refuge in the land, where individuals who have unintentionally committed manslaughter can flee for protection. Moses establishes that the cities of refuge should be spaced out across the land so that someone who committed manslaughter could reach one quickly and find protection (v. 1-5). These cities are intended to provide asylum for those who kill someone accidentally, ensuring that they are not killed by the avenger of blood (v. 6-7). The avenger of blood refers to a family member who might seek to avenge the death of a relative by taking matters into their own hands. If the killing was indeed accidental, the person who committed the act could flee to one of these cities and find safety, as long as they remained in the city of refuge. If it was found to be intentional, the individual would be sent back to face justice (v. 11-12). This system ensured that injustice was avoided and that people were not wrongfully punished, while also recognizing that God’s law must be upheld.
Moses lays out the principle that in legal matters, a person can only be convicted based on the testimony of at least two or three witnesses (v. 15). This principle ensures that people are not wrongfully accused based on the false testimony of a single individual. The witnesses must be credible, and if they are found to be false witnesses, they will face the same punishment that would have been imposed on the person they falsely accused (v.16-19). This system prevents unjust accusations and promotes fairness in legal proceedings.
The chapter concludes with a command to apply proportional justice—the principle of an eye for an eye (v. 20-21). If someone is guilty of wrongdoing, they are to receive a punishment that is equal to the offense they committed. This law is intended to ensure that justice is fair and balanced, and that the punishment does not exceed the crime. This principle seeks to prevent vengeance and ensure that justice is not taken into one’s own hands, which would lead to excessive retaliation.
God desires justice that is measured and equitable—the punishment should fit the crime, ensuring that fairness prevails over vengeance (Leviticus 24:19-20, Matthew 5:38-42). The principle of proportional justice encourages us to focus on God’s wisdom and fairness rather than acting out of anger or resentment. Reflect on how you respond to wrongdoing. Are you quick to retaliate, or do you trust God’s justice to be fair and appropriate? Commit to seeking peace and reconciliation rather than revenge.
Deuteronomy 19 teaches the importance of justice and mercy in God’s community. Whether it’s the establishment of cities of refuge for those who accidentally harm others, the need for truthful witnesses in legal cases, or the application of proportional justice, God calls His people to live in a way that reflects His holiness, fairness, and mercy. As we reflect on these principles, we are challenged to ensure that our actions align with God’s standards of truth, justice, and compassion. Are we living lives that uphold fairness in our relationships and communities? Are we quick to offer mercy while ensuring justice is done? Let Deuteronomy 19 remind us to live with integrity, extend mercy, and pursue justice in all that we do.
Deuteronomy 20 provides instructions regarding warfare, focusing on the rules for conducting battles, particularly in relation to the conquest of the Promised Land. Moses outlines God’s guidance on how the Israelites are to approach war, what to do with the cities they conquer, and how to handle relationships with the nations they will encounter.
Moses begins by addressing the Israelites as they prepare to enter the Promised Land and face various enemies in battle. He instructs them to not be afraid when they go into battle, regardless of the size of their enemies or the strength of their forces, because God will be with them (v. 1). The Israelites are reminded that God is their ultimate warrior and protector and that His presence and power will ensure victory. Moses tells them that before a battle, the priests should encourage the people, reminding them that the Lord will fight for them (v. 2-4). Then, Moses lays out a procedure for exemptions from battle. If a man has built a house and not dedicated it, planted a vineyard and not yet enjoyed its fruit, or become engaged to a woman but not yet married her, he is allowed to return home (v. 5-7). These exemptions were given to ensure that Israel’s soldiers could focus on their responsibilities without unnecessary distractions. Additionally, if any soldier is afraid or fainthearted, they are also allowed to go home to avoid spreading fear among the rest of the army (v. 8).
Moses provides instructions for how to handle cities that the Israelites will encounter. If a city offers peace and agrees to surrender, the Israelites are to make a peace treaty with them and allow them to become tributaries (v. 10-11). However, if the city refuses to make peace and chooses to engage in battle, the Israelites are to besiege the city and, upon victory, kill all the men but take the women, children, and livestock as spoils (v. 12-14). The people at a distance (v. 15) included those nations outside Canaan but within the extensive territory promised to Abraham and his descendants. But inside Canaan, absolutely nothing was to be spared (v. 16). Six nations are listed in verse 17 as representing all the nations living in Canaan. These people were so degenerate and committed to evil that unless they were completely destroyed, they could easily influence the Israelites to follow their detestable ways in idolatry (v. 18).
God’s judgment is just and right—nations who persist in sin, idolatry, and immorality are subject to God’s judgment. However, Israel is to be merciful where possible and avoid unnecessary destruction. Just as Israel was told to offer peace before war, we are called to seek peace in our relationships, extending mercy and understanding wherever possible. In your own life, when you face conflict or disagreement, are you quick to choose peace, or do you resort to anger and destruction? Make an effort to seek reconciliation and peaceful solutions in your relationships.
Moses then gives the Israelites specific instructions on how to treat the trees of the cities they besiege. While the Israelites are to cut down trees for use in constructing siege works, they are not allowed to cut down fruit trees because those trees provide food (v.19-20). This command reflects God’s concern for preservation and sustainability, ensuring that the people do not engage in unnecessary destruction of the natural resources that could provide for them in the future. The prohibition of destroying fruit trees also highlights God’s desire for responsible stewardship of the land and the resources He provides. The Israelites were to be careful stewards, even in times of war, ensuring that they did not destroy the land God had given them.
We are also called to be responsible stewards of His creation and to care for the earth, the people around us, and the gifts God has given us. Are you a good steward of the resources God has entrusted to you? Examine your environmental impact. How can you be more intentional about protecting and caring for the world around you—whether through sustainable practices, reducing waste, or supporting environmental causes?
Deuteronomy 20 lays out principles for warfare, justice, and stewardship that reflect God’s desire for His people to live in a way that honors Him, even in the midst of conflict. Whether in battle or in everyday life, we are called to trust in God’s strength, seek peace where possible, and practice responsible stewardship of the resources He has entrusted to us. As we apply these principles to our own lives, we are reminded that God is the ultimate source of victory, and that His justice, mercy, and care for creation should guide all of our actions. In the battles we face—whether physical, emotional, or spiritual—may we rely on God, seek peace, and be faithful stewards of His gifts, knowing that He is with us every step of the way.
In conclusion, Deuteronomy 17-20 calls the Israelites to uphold justice, righteousness, and obedience in all areas of life, from leadership to warfare. As believers today, we are reminded to seek justice, honor God’s ways in our leadership, and trust in His guidance, knowing that our obedience leads to His blessing.
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