Is There A Just War?

Is There A Just War?
God’s Purpose for Government & The Reality of a Just War

Most people wrestle with two important questions:
Why does government exist?
Can war ever be right?


Some believe government should fix everything. Others distrust it entirely. And many assume all war is inherently wrong.

But the Bible gives us a clear and balanced perspective. God is not confused about government—and He is not silent about justice.

Government Is God’s Idea

Scripture teaches that government is not a human invention—it is a divine institution.

In Romans 13:1–4, we are told that authority comes from God and that leaders are “God’s ministers.” Their role is not to control every aspect of life, but to carry out a specific assignment.

Government exists to restrain evil, protect people, punish wrongdoing, and maintain order.
(We pray for our leaders in 1 Timothy 2:1-4 so we can live and minister in peace)

Similarly, 1 Peter 2:13–14 explains that governing authorities are appointed “for the punishment of evildoers and for the praise of those who do good.”

This is important: government is not the Savior—Jesus is. But government is a tool God uses to keep evil in check in a fallen world.

Even early American leaders recognized this tension between peace and preparedness. George Washington wisely said,
“To be prepared for war is one of the most effective means of preserving peace.”

Peace is always the goal—but peace is often preserved by strength that restrains evil.


The Authority to Use Force

Romans 13 also says that government “does not bear the sword in vain.”

The “sword” represents real authority—law enforcement, justice, and even military force. This means God has entrusted government with the responsibility to act against evil—not just symbolically, but practically.

At the same time, Scripture makes a crucial distinction.

Romans 12:19 tells individuals, “Do not avenge yourselves.” As believers, we are called to forgive. But just a few verses later, Romans 13 shows that government is tasked with executing justice.

Personally, we forgive. Publicly, government restrains evil. 

Just to be clear, the Bible never commands you to stand by while evil harms your family (See Exodus 22:2)—it commands you to live free from revenge while standing firm in protection.

This distinction protects both the heart of the believer and the order of society.

Is There Such a Thing as a Just War?

The Bible never glorifies war—but it does acknowledge that in a broken world, there are times when it becomes necessary.

To Protect the Innocent

Psalm 82:3–4 calls leaders to “deliver the poor and needy” and rescue them from the wicked. Proverbs 24:11 urges us to “deliver those who are drawn toward death.”

When innocent lives are at risk, doing nothing is not righteousness.

This truth echoes through history. Martin Luther King Jr. said,
“Injustice anywhere is a threat to justice everywhere.”

While he championed nonviolence, the principle remains: injustice must be confronted, not ignored.

To Defend Families and Communities

In Nehemiah 4:14, the people are told to “fight for your brethren, your sons, your daughters, your wives, and your houses.”

Defending others is not evil—it is responsibility.

John F. Kennedy captured this resolve when he said,
“Let every nation know… that we shall pay any price, bear any burden… to assure the survival and the success of liberty.”

Freedom and protection are not passive—they are defended.


Because There Is a Time for War

Ecclesiastes 3:8 reminds us there is “a time of war, and a time of peace.”

Peace is always God’s heart—but sometimes war is necessary to preserve it.

History has shown that unchecked evil grows stronger, not weaker. Preparedness and, when necessary, action can prevent greater destruction.


Military Service Is Not Condemned

When soldiers approached John the Baptist in Luke 3:14, he did not tell them to leave the military. Instead, he instructed them to act justly and not abuse their authority.

This affirms that military service itself is not sinful—misuse of power is.


God Supports Righteous Defense

In 1 Samuel 17:47, David declares, “The battle is the Lord’s.”

Throughout Scripture, we see God standing with His people when they were defending themselves against those who sought to destroy them.

Even the founding voices of freedom recognized that resisting tyranny can be morally necessary. Thomas Jefferson wrote,
"The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.”

While strong in wording, the underlying principle is clear: unchecked tyranny leads to greater injustice.


What Is a Just War?

Based on Scripture, a just war includes legitimate authority, a righteous cause, the restraint of evil, and the protection of innocent life.

It is not about conquest.
It is not about revenge.
It is about justice in action.

As one summary truth captures it:
A just war is never about aggression—it is about protection. It is not about hate—it is about love strong enough to confront evil.

Why This Matters Today

We live in a broken world.

Evil exists. Oppression happens. Violence is real.

That is why government exists—and why justice matters.

God’s heart is always peace, restoration, and salvation. But until Jesus returns, government plays a necessary role in restraining evil—even when that includes the use of force.


Our Response as Believers


Scripture gives us a clear response.

We pray for those in authority. (1 Timothy 2:1-4)
We respond when called upon.
We honor those who protect and serve.
We stand for righteousness - show up, stand up, speak up, and defend truth.
And we trust God as the ultimate Judge.


Final Thought

God’s goal is peace.

But in a fallen world, He empowers authority to restrain evil until peace is fully restored.

So today, let this truth settle in your heart: God is both your peace and your protector. His justice is not separate from His love—it is an expression of it. And as you trust Him, you can live with confidence, knowing that even in a broken world, He is still good, still faithful, and still working toward redemption.

Pastor Kevin Casey - Father's House Church in Wise County
---
Verses for further study:

SCRIPTURES FOR A JUST WAR (BIBLICAL PRINCIPLES)

1. Government Authorized to Use Force

Romans 13:3–4 (NKJV)
“For rulers are not a terror to good works, but to evil… For he is God’s minister to you for good. But if you do evil, be afraid; for he does not bear the sword in vain; for he is God’s minister, an avenger to execute wrath on him who practices evil.”

 - Key Truth:
Government is authorized by God to use force (“the sword”) to restrain evil.


2. Protection of the Innocent

Psalm 82:3–4 (NKJV)
“Defend the poor and fatherless; do justice to the afflicted and needy. Deliver the poor and needy; free them from the hand of the wicked.”

 - Key Truth:
God expects leaders to actively rescue people from oppression, not ignore it.


Proverbs 24:11–12 (NKJV)
“Deliver those who are drawn toward death, and hold back those stumbling to the slaughter…”

 - Key Truth:
There is a moral responsibility to intervene when lives are in danger.

3. Legitimate Authority to Wage War

Ecclesiastes 3:8 (NKJV)
“A time to love, and a time to hate; a time of war, and a time of peace.”

 - Key Truth:
War is not ideal—but there are times when it is necessary.

Luke 3:14 (NKJV)
“Likewise the soldiers asked him, saying, ‘And what shall we do?’ So he said to them, ‘Do not intimidate anyone or accuse falsely, and be content with your wages.’”

 - Key Truth:
John the Baptist did not condemn military service, but corrected abuse—affirming its legitimacy.

4. Defense Against Evil and Aggression

1 Samuel 17:47 (NKJV)
“For the battle is the Lord’s, and He will give you into our hands.”

 - Key Truth:
God supported Israel in defending against hostile aggression.

Nehemiah 4:14 (NKJV)
“Do not be afraid of them. Remember the Lord… and fight for your brethren, your sons, your daughters, your wives, and your houses.”

- Key Truth:
Fighting to protect families and people is righteous.


5. Distinction Between Personal Forgiveness & Public Justice

Romans 12:19 (NKJV)
“Beloved, do not avenge yourselves… for it is written, ‘Vengeance is Mine, I will repay,’ says the Lord.”

 - Personal level: No revenge

Romans 13:4 (NKJV)
“He is God’s minister, an avenger to execute wrath…”

 - Government level: Executes justice

Key Truth:
Individuals forgive. Government restrains evil.


Warfare Conducted Under God’s Direction

2 Samuel 5:19 (NKJV)
“David inquired of the Lord, saying, ‘Shall I go up against the Philistines?’ And the Lord said… ‘Go up…’”

Key Truth:
Even in war, seeking God’s direction matters.

You could say it like this:

A just war in Scripture is:
 - Authorized by legitimate authority (Romans 13)
 - Focused on restraining evil (Psalm 82)
 - Protective of innocent life (Proverbs 24)
 - Not personal revenge (Romans 12 vs 13)
 - Sometimes necessary in a fallen world (Ecclesiastes 3:8)
Posted in
Posted in

Kevin Casey

Recent

Archive

 2026

Categories

Tags