'Purity of Arms' vs. "Righteousness" of Arms

Purity of Arms (Tohar HaNeshek) and Righteousness of Arms (Tzidkat HaNeshek) represent two opposing ethical frameworks debated within the state of Israel regarding the rules of engagement and core military values of the Israel Defense Forces (IDF). While "Purity of Arms" remains the historically enshrined standard in the official code of military conduct, "Righteousness of Arms" has emerged as a major political proposal to fundamentally rewrite those ethics.

Overview and Background

Purity of Arms (Tohar HaNeshek)

The "Purity of Arms" doctrine has deep roots in modern Israeli history, tracing its conceptual origins back to the Jewish defense organizations of the 1930s. It was later codified in the 1990s as a pillar of the "Spirit of the IDF" (Ruach Tzahal), which dictates that soldiers must maintain their humanity even during high-intensity combat operations. Historically, Israeli leadership has relied on this concept to champion the IDF as "the most moral army in the world."

Righteousness of Arms (Tzidkat HaNeshek)

"Righteousness of Arms" is a contemporary alternative framework introduced by right-wing Israeli National Security Minister Itamar Ben-Gvir. In October 2026, amid shifting national security doctrines following years of conflict, Ben-Gvir openly campaigned on a vow to officially alter the IDF’s ethical rules. Proponents of this doctrine argue that the original "Purity of Arms" places excessive, life-threatening constraints on frontline soldiers by prioritizing the safety of enemy noncombatants over the survival of Israeli troops, thereby obstructing decisive military victory.

Key Ethical and Tactical Differences

The core debate centers on the balance between universal humanitarian obligations and national defense. The structural differences between the two principles are broken down below:

Contemporary Political Conflict

Feature	Purity of Arms (Tohar HaNeshek)	Righteousness of Arms (Tzidkat HaNeshek)
Legal Status within Military	Active, legal framework embedded within the official "Spirit of the IDF" doctrine.	Political initiative and proposed legislative amendment aimed at overhauling the standing code.
Philosophical Foundations	Anchored in a synthesis of Jewish heritage and universal human rights, recognizing the inherent dignity of all human life.	Rely strictly on nationalism, biblical tradition, and apply the classic maximum: "If someone comes to kill you, rise up and kill him first" 'broadly' in his opinion.
Treatment of Noncombatants	Mandates that troops do everything within their power to prevent harming noncombatants and prisoners of war.	Explicitly seeks to delete defensive clauses that safeguard enemy noncombatants and captives.
Limitation of Force	Dictates a policy of military proportionality, stating weapons should be deployed “only to the necessary extent” required to achieve a mission.	Rejects the requirement of restraint, removing clauses that place limits on the intensity or scope of force used against adversaries.

The philosophical divide escalated into a prominent campaign issue leading up to the October 2026 Israeli Knesset elections. Figures on the political right argue that Israel’s post-October 7 security reality demands a fundamentally reshaped doctrine centered around raw, unhindered "defensible borders" and total enemy defeat. Ben-Gvir, eyeing the Defense Ministry during coalition maneuvering, leveraged "Righteousness of Arms" to symbolize a tougher approach to anti-terror laws and military sovereignty.

Conversely, centrist and left-wing factions, alongside legal experts, warn that adopting "Righteousness of Arms" would formally strip away vital humanitarian safeguards. Critics contend that erasing constraints on military force would explicitly violate international humanitarian law, degrade the strategic moral standing of the state.

Purity of arms: the ethical guide for the Israel Defense Forces.
Noam Zion. JNS.
March 2, 2016.

The IDF study guide defines its message unequivocally. A singular principle of morality applies to all human beings, whether they are Israelis or noncombatant enemy civilians: human dignity and human life. “The Spirit of IDF derives directly from the value of Human Dignity,” states the guide. “It is the highest moral value, and it is supposed to guide IDF soldiers in their activities.”

It is not only the life of one’s comrades that must be saved, but also the lives and the honor of enemy civilians.

“IDF servicemen and women will use their weapons and force only for the purpose of their mission, only to the necessary extent and will maintain their humanity even during combat,” the guide says.

Going beyond Katznelson’s original formulation and international law, the IDF makes a unique demand, according to law professor Moshe Halbertal, one of the framers of the IDF Code, when it states that soldiers must do their utmost to avoid the harming of civilians.

“This principle states that it is not enough not to intend to kill civilians while attacking legitimate targets. A deliberate effort has to be made not to harm them,” Halbertal has written. “For such efforts surely must include the expectation that soldiers assume some risk to their own lives in order to avoid causing the deaths of civilians.”

The IDF also insists on the principles of proportionality and limitation, stating, “In this kind of warfare which has been forced upon us, the obligation to focus and limit our force is not less important than the obligation to exercise force. Use of force that is unnecessary to the mission is a moral error and an error in execution of the mission.”

This tradition and practice helps to contextualize IDF Chief of Staff Gadi Eizenkot’s recent comment that he doesn’t want a soldier “to empty a magazine on a girl holding scissors.”

Further, a 1977 protocol requires the military to warn civilian populations of attacks that may affect them, when circumstances permit. That practice stems from an ancient rabbinic military law which commanded that when soldiers besiege a city, one of the sides must be left open, so that if enemies want to flee, there will be an escape route.

In official army speeches and study guides, the language of hate and vengeance has been removed from the IDF’s rationale for fighting its enemies. Rather, those feelings have been identified as emotional weakness, understandable after fellow soldiers have been killed by the enemy, but not acknowledged as a justification for indiscriminate violence against enemy civilians identified with enemy combatants who have inflicted losses on the IDF.

Instead, the IDF invokes Jewish tradition by citing the verse, “If your enemy falls, do not celebrate; if he falls, let not your heart rejoice” (Proverbs 24:17) [stressed in Talmudic teaching]. It would be naive to assume that Jewish and Israeli culture has no place for joy at the downfall of an enemy, but the attempt to identify and control feelings of vengeance is central to the ethical education of the IDF.
https://www.jns.org/israel-news/purity-of-arms-the-ethical-guide-for-the-israel-defense-forces

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