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Islamic Law and the Rules of War: A Framework of Ethics and Restraint

Islamic Law and the Rules of War

In today’s discussions on international conflict and humanitarian law, the ethical conduct of war is more relevant than ever. Islamic law, or Shari’ah, offers a well-defined set of rules of war that emphasize justice, mercy, and strict limits on violence.

Far from promoting unchecked warfare, classical Islamic jurisprudence outlines moral boundaries that align with many modern principles of international humanitarian law. These principles are rooted in the Qur’an, Hadith (sayings of the Prophet Muhammad ﷺ), and interpretations by early Islamic scholars.


The Foundations of War in Islamic Law

Islamic law permits warfare only under specific circumstances, primarily self-defense or to end oppression. The Quran clearly states:

“Fight in the way of Allah those who fight you but do not transgress. Indeed, Allah does not like transgressors.” (Qur’an 2:190)

This verse lays the foundation for just war (Al-Jihad Al-Mashru’) — war that is defensive, proportional, and ethically conducted.

Key Rules of War in Islam

1. Protection of Non-Combatants

One of the most emphasized rules in Islamic warfare is the absolute protection of civilians. The Prophet Muhammad ﷺ explicitly forbade harming:

  • Women and children

  • The elderly and sick

  • Religious clerics and monks

  • Farmers and those not engaged in combat

This aligns with modern concepts of civilian immunity in war.

2. No Destruction of Property

Islamic rulings prohibit the destruction of homes, crops, and infrastructure unless it is a military necessity — and even then, it must be limited and justified.

3. Treatment of Prisoners of War (POWs)

Islamic law mandates humane treatment of prisoners. They must be given food, clothing, and protection. The Qur’an encourages kindness and even the freeing of POWs through ransom or as a gesture of goodwill (Qur’an 76:8).

4. No Torture or Mutilation

The Prophet Muhammad ﷺ forbade mutilation and torture, emphasizing dignity and justice even for enemies.

5. Respect for Treaties and Ceasefires

Islam places strong emphasis on honoring agreements, treaties, and truces. Breaking a pact without valid cause is considered a major sin.

Ethical Warfare: Then and Now

The rules of war in Islamic law show that Islam was centuries ahead in defining ethical conduct in battle. These principles promote:

  • Justice over vengeance

  • Compassion over cruelty

  • Accountability over chaos

In a modern world grappling with asymmetric warfare, civilian casualties, and weaponized propaganda, these guidelines offer a much-needed moral compass.

Conclusion: Reviving Ethical Warfare in a Modern Context

Understanding the Islamic rules of war is not just a historical study — it’s a reflection of a comprehensive system that prioritizes ethics, restraint, and justice even in times of armed conflict.

At Best Quran Lesson, we emphasize the importance of reconnecting with these foundational teachings. By returning to the original guidance of Islamic jurisprudence, scholars, students, and policymakers alike can contribute to a more humane and just approach to modern warfare.