Zen, Buddhism and "Just War"

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  • Jundo
    Treeleaf Founder and Priest
    • Apr 2006
    • 44292

    Zen, Buddhism and "Just War"

    Dear All,

    As some of you may know, this week, a certain American president got into a ruckus with a certain Pope about something called the "Just War" Doctrine of Catholicism.

    I am certainly not a Catholic theologian, so cannot comment on their beliefs. However, the question arises whether, in Buddhism, a war is ever "just," and what is an "unjust" war.

    Well, I am also not the final word on Buddhist and Zen ethics either! So, other Buddhist voices might disagree with what I will say (Some might argue that no war is ever justified in Buddhism: LINK). Also, in both Christian and Buddhist nations, social and political structures have changed through the centuries, such that what might have been acceptable and "just" in 1226 or 1626 would not be seen as "just" and acceptable in 2026. Buddha, Dogen and countless other ancestors lived in times of kings and emperors, shogun and lords, swords and spears when war and feudal values were common, in times very different from our current world of atomic missiles and drones, submarines and bombers. Certainly, Catholic values have changed too with time, since the days of the "Crusades" and European colonies.

    However, what I am reading about the Catholic "Just War" doctrine, as it exists today, seems to make sense, and be common sense compatible with Buddhist teachings on such matters. It is laid out in the Catechism of the Catholic Church, and includes among other provisions ...

    2304 Respect for and development of human life require peace. Peace is not merely the absence of war, and it is not limited to maintaining a balance of powers between adversaries. Peace cannot be attained on earth without safeguarding the goods of persons, free communication among men, respect for the dignity of persons and peoples, and the assiduous practice of fraternity. Peace is "the tranquillity of order." Peace is the work of justice and the effect of charity.
    ...
    2308 All citizens and all governments are obliged to work for the avoidance of war.
    However, "as long as the danger of war persists and there is no international authority with the necessary competence and power, governments cannot be denied the right of lawful self-defense, once all peace efforts have failed."

    2309 The strict conditions for legitimate defense by military force require rigorous consideration. the gravity of such a decision makes it subject to rigorous conditions of moral legitimacy. At one and the same time:
    - the damage inflicted by the aggressor on the nation or community of nations must be lasting, grave, and certain;
    - all other means of putting an end to it must have been shown to be impractical or ineffective;
    - there must be serious prospects of success;
    - the use of arms must not produce evils and disorders graver than the evil to be eliminated. The power of modern means of destruction weighs very heavily in evaluating this condition.

    These are the traditional elements enumerated in what is called the "just war" doctrine.
    ~~~
    2313 Non-combatants, wounded soldiers, and prisoners must be respected and treated humanely.
    Actions deliberately contrary to the law of nations and to its universal principles are crimes, as are the orders that command such actions. Blind obedience does not suffice to excuse those who carry them out. Thus the extermination of a people, nation, or ethnic minority must be condemned as a mortal sin. One is morally bound to resist orders that command genocide.

    2314 "Every act of war directed to the indiscriminate destruction of whole cities or vast areas with their inhabitants is a crime against God and man, which merits firm and unequivocal condemnation." A danger of modern warfare is that it provides the opportunity to those who possess modern scientific weapons especially atomic, biological, or chemical weapons - to commit such crimes.
    ~~~
    2317 Injustice, excessive economic or social inequalities, envy, distrust, and pride raging among men and nations constantly threaten peace and cause wars. Everything done to overcome these disorders contributes to building up peace and avoiding war.
    https://www.vatican.va/archive/ENG0015/__P81.HTM
    Now, we may differ a bit in wording, notions of "sin," "commandment," and such, but the basic tenets described there seem universal to my eye. Bottom line, the war must be unavoidable, all other means of peace shown "impractical or ineffective," the violence to be done must "not produce evils and disorders graver than the evil to be eliminated." The lives of children and other innocent non-combatants must be protected to the degree possible.

    Perhaps the Buddhist might add the notion of Karma, that the soldier must still bear the Karma of taking life even if necessary, unavoidable, though the intent in taking life is key here (whether pillage and conquest or the prevention of conquest and greater harm). Also vital is the avoidance of hate and a wish for revenge in the heart of the soldier. The role of the soldier in Buddhism is a complicated topic, beyond a simple answer (an excellent scholarly review is here: THE PARADOX OF THE BUDDHIST SOLDIER - LINK).

    In fact, I do not think that there is ever really some "just war," although sometimes, if truly in self-defense, unavoidable, we might call it a necessary evil.

    All that being said, I do not see that the current war in Iran, principally led by the United States and Israel, nor Israel's violence in Lebanon and Gaza with death and other harms caused to thousands of children and other civilians, can be termed "Just War" by any measure. These actions violate our Precepts on Avoiding Killing and Hate, they break our Vow to aid suffering beings.

    Thus, as one Buddhist priest (one both American and of Jewish family too) I choose to speak out against these wars as unjust. This is wrong. The warmongers are wrong.

    May all parties involved quickly end this stupidity, this madness, and may peace be quickly restored. May all peoples and nations find a way to live together in peace, in mutual sharing and friendship.

    How do you feel?

    Gassho, Jundo
    stlah
    Last edited by Jundo; 04-20-2026, 11:59 PM.
    ALL OF LIFE IS OUR TEMPLE
  • Onkai
    Dharma Transmitted Priest
    • Aug 2015
    • 3666

    #2
    I am dismayed by the wars going on now. The above quote of the Catholic Catechism is on point.

    Gassho, Onkai
    Sat lah
    美道 Bidou (Beautiful Way)
    恩海 Onkai (Merciful/Kind Ocean)
    She/her
    I will always have a lot to learn

    Comment

    • Hoshuku
      Member
      • May 2017
      • 336

      #3
      The classic RC just war theory always struck me as solid common sense. I remember Bryson telling me about being in the Australian Special Forces and being deployed to protect East Timor from Indonesian aggression - that seemed a clear cut just war but he was still left with PTSD.

      Bows
      Hoshuku
      Satlah

      Comment

      • Mujin
        Member
        • Jul 2023
        • 134

        #4
        My opinion is somewhere in the middle in terms of Gaza. Israel had the right to a just, harsh response to Oct. 7th attacks. In my view however, it has gone WAY too far and has overreached. The war in Iran has zero justification. The more disconcerting part is that certain president seems clueless, with constantly shifting mission objectives and exit strategies. It is all madness in the end, with old men talking and young men dying.

        Gassho,
        Mujin
        SatTodayLAH

        Comment

        • Taikyo
          Member
          • Aug 2025
          • 44

          #5
          As someone who, at the age of 19, was caught in the civil war in the Former Yugoslavia, I experienced all the horrors and the senselessness of suffering—both of soldiers on both sides and of civilians who were left without their homes and, as the ultimate defeat, without their loved ones. (Fortunately, although I was in the very center of events, I was spared the experience of directly taking someones life, but at the same time I was a witness and felt all the pain of those involved in the conflict). And then, nine years later, we were struck by the horror of a three‑month ordeal inflicted by the great powers, who claimed the right—on the basis of their geopolitical interests and fabricated justifications—to bomb an entire nation. From that bitter experience, no war, no use of force or aggression, can ever be called just. With every day and with each of my morning awakenings, I empathize with the Ukrainian and Russian people and soldiers, with all the inhabitants of Gaza and Israel, with the entire peoples of Iran, Lebanon, and the Emirates. For it is the ordinary people, the small human being with their families and loved ones, who endure the suffering. Meanwhile, the great political and religious leaders play their war games, deprived of any sense of empathy—how tragic.

          Gassho,
          Taikyo
          sat\lah
          Taikyo / 泰居 ​
          "calm presence"

          Comment

          • Shinshi
            Senior Priest-in-Training
            • Jul 2010
            • 4259

            #6

            I saw an article about this in the Washington Post about a week ago. If anyone would like to read it, here is a link which will take you behind the paywall.



            I found it quite interesting.

            I feel that the current administration has shown little concern for morality in its dealing with "adversaries". From the blowing up of of boats off the coast of Venezuela, to overthrowing other countries, to the way they have dealt with Immigration here in the US. Topped off by the egregious behavior in Iran. To me many of their actions are violations of the Geneva Convention. So, personally, I am appalled by my countries actions.

            I also feel that it is important to not fall into the us vs them mindset. The behavior is reprehensible but hate can destroy as well. I wish there was some way to stop this madness.

            Gassho, Shinshi
            SatlaH
            空道 心志 Kudo Shinshi

            For Zen students a weed is a treasure. With this attitude, whatever you do, life becomes an art.
            ​— Shunryu Suzuki

            E84I - JAJ

            Comment

            • Myo-jin
              Member
              • Dec 2024
              • 114

              #7
              On the one hand, the practical side of myself says that humans have always fought one another, from primitive tribal conflict to intercontinental wars. From the myth of Cain and Abel, to the modern age, conflict has been part and parcel of our evolution, it’s quite simply part of what makes us human, and although I abhor it I see no realistic prospect of the human race ever becoming wholly peaceful. So for me a big part of my practice is ‘making peace’ with the reality of the situation. From ancient Isrealites making war under the banner of Yahweh to Christian crusaders marching to war under the cross of the 'prince of peace', to modern day crusaders and others supposedly 'fighting for peace', we often fight because of the fire lit in our heads, and anything, even peace, can be all the excuse we need.

              On the other hand, Katagiri Roshi related in his book ‘Returning to Silence’(1988, pp 15-18) the following (paraphrased for brevity):

              In India long ago the son of the King of Magadha was married, unknowing, to a commoner sent to him by the neighbouring Kapilavatthu, in who’s kingdom lived the Shakya clan (Shakyamuni’s clan). When this prince later became King himself, the deception was discovered, and he was angry, and planned to attack Kapilavatthu. When the Shakya realised what was about to happen, they begged Shakyamuni to intervene. He tried his best to negotiate with the King of the Magadha, but one person close to the King kept whispering in his ear, encouraging the flame of anger burning in his head, and he attacked anyway.

              Shakyamuni knew the army was coming, so he sat in zazen under a dead tree along the roadside. When the Kings army approached the spot, the King could not understand why Shakyamuni sat under the dead tree. When asked the reason he replied “I feel cool, even under this dead tree, because it is growing near my native country”. The King was so impressed that he turned his army around and went home.

              However the whispering continued, the fire in the Kings head continued to burn, he again decided to attack. This time Shakyamuni was too late, he had no time to do anything, so without saying a word he just stood and watched as his people and country were destroyed.

              Katagiri goes on to point out that real peace is not a matter of discussion, but that real peace is beyond talk of ‘peace' and 'no-peace’, and that if we endlessly debate peace, eventually we end up marching to war under the banner of peace. Instead we have to realise peace in ourselves. He adds, that sometimes no matter how long we emphasise the need for peace (as the Pope is doing), there are always people in who’s heads the flame of war is burning too brightly, and they won’t accept our peace. So finally, if nobody will accept our peace, we have to bring it back to ourselves.

              Gassho

              Sattlah

              Myojin
              Last edited by Myo-jin; 04-19-2026, 11:42 PM.
              "My religion is not deceiving myself": Milarepa.

              Comment

              • Onkai
                Dharma Transmitted Priest
                • Aug 2015
                • 3666

                #8
                Originally posted by Myo-jin
                On the one hand, the practical side of myself says that humans have always fought one another, from primitive tribal conflict to intercontinental wars. From the myth of Cain and Abel, to the modern age, conflict has been part and parcel of our evolution, it’s quite simply part of what makes us human, and although I abhor it I see no realistic prospect of the human race ever becoming wholly peaceful. So for me a big part of my practice is ‘making peace’ with the reality of the situation. From ancient Isrealites making war under the banner of Yahweh to Christian crusaders marching to war under the cross of the 'prince of peace', to modern day crusaders and others supposedly 'fighting for peace', we often fight because of the fire lit in our heads, and anything, even peace, can be all the excuse we need.

                On the other hand, Katagiri Roshi related in his book ‘Returning to Silence’(1988, pp 15-18) the following (paraphrased for brevity):

                In India long ago the son of the King of Magadha was married, unknowing, to a commoner sent to him by the neighbouring Kapilavatthu, in who’s kingdom lived the Shakya clan (Shakyamuni’s clan). When this prince later became King himself, the deception was discovered, and he was angry, and planned to attack Kapilavatthu. When the Shakya realised what was about to happen, they begged Shakyamuni to intervene. He tried his best to negotiate with the King of the Magadha, but one person close to the King kept whispering in his ear, encouraging the flame of anger burning in his head, and he attacked anyway.

                Shakyamuni knew the army was coming, so he sat in zazen under a dead tree along the roadside. When the Kings army approached the spot, the King could not understand why Shakyamuni sat under the dead tree. When asked the reason he replied “I feel cool, even under this dead tree, because it is growing near my native country”. The King was so impressed that he turned his army around and went home.

                However the whispering continued, the fire in the Kings head continued to burn, he again decided to attack. This time Shakyamuni was too late, he had no time to do anything, so without saying a word he just stood and watched as his people and country were destroyed.

                Katagiri goes on to point out that real peace is not a matter of discussion, but that real peace is beyond talk of ‘peace' and 'no-peace’, and that if we endlessly debate peace, eventually we end up marching to war under the banner of peace, but instead we have to realise peace in ourselves. He adds, that sometimes no matter how long we emphasise the need for peace (as the Pope is doing), there are always people in who’s heads the flame of war is burning too brightly, and they won’t accept our peace. So finally, if nobody we have to bring it back to ourselves.

                Gassho

                Sattlah

                Myojin
                Thank you for this post, Myojin. It has a lot of wisdom, and points to the importance of practice to me.

                Gassho, Onkai
                美道 Bidou (Beautiful Way)
                恩海 Onkai (Merciful/Kind Ocean)
                She/her
                I will always have a lot to learn

                Comment

                • Jundo
                  Treeleaf Founder and Priest
                  • Apr 2006
                  • 44292

                  #9
                  I also just added this sentence to my post to clarify my feelings:

                  I also do not think that there is ever really some "just war," although sometimes, if truly in self-defense, unavoidable, we might call it a necessary evil.

                  ALL OF LIFE IS OUR TEMPLE

                  Comment

                  • Choujou
                    Member
                    • Apr 2024
                    • 590

                    #10
                    I am with you Roshi, I feel that it is time for humanity to stop acting insane (doing the same things over and over and expecting different results ) and awaken to a new way. A peaceful, cooperative way. Killing each other for thousands of years has only produced more killing. Evil begets evil.
                    It won’t be easy, and it would take a major shift in consciousness in every single person on this planet, which I know, is probably not going to happen completely, but it starts within. What we do here with our practice on and off the zafu is an example of such change. We drop the “againstness”… we find that “the enemy” is no other than ourselves, and the heart softens. The world needs to awaken to this truth, and then I feel peace, love, happiness, kindness… would all prevail. I am happy that we lead the way with such love and peace in our hearts. Let us show them what real love for humanity can look like and be, and I pray that the same love and peace fills the hearts of all beings here on the good earth.

                    Gassho,
                    Choujou

                    sat/lah today
                    Last edited by Choujou; 04-20-2026, 09:48 AM.

                    Comment

                    • Hokuu
                      Member
                      • Apr 2023
                      • 205

                      #11
                      It feels like in the Buddhist world, especially in the West, the noble inspiration for peace is often being interpreted as an absolute Tolstoy-like pacifism, but nonviolence ≠ pacifism. War is indisputably bad, but there are good guys and bad guys. Compassionately seeing traumas underlying the behavior of bad guys and realizing that very similar traumas might motivate good guys is noble again, but it must not render good guys bad and bad guys good.

                      This is a Catholic source, but I fully share its message:
                      Today, the insight that peace and justice are inseparable grounds what international law terms "transitional justice." By focusing on victims and assuring accountability for past wrongs, this approach seeks to disrupt recurring cycles of violence.
                      gassho
                      satlah
                      歩空​ (Hokuu)
                      歩 = Walk / 空 = Sky (or Emptiness)
                      "Moving through life with the freedom of walking through open sky"

                      Comment

                      • Ryumon
                        Member
                        • Apr 2007
                        • 1905

                        #12
                        The only just war is one fought because you are attacked. It's not complicated.

                        This said, the intensity of the attack should be taken into account. One terrorist attack, such as 9/11, does not justify a war. Though Pearl Harbor, in the context of the times, was likely a legitimate reason to go to war with Japan, since they were at war with other countries and trying to expand the conflict.

                        Gassho,
                        Ryūmon (Kirk)
                        Sat Lah
                        Last edited by Ryumon; 04-20-2026, 10:36 AM.
                        I know nothing.

                        Comment

                        • Jundo
                          Treeleaf Founder and Priest
                          • Apr 2006
                          • 44292

                          #13
                          Though Pearl Harbor, in the context of the times, was likely a legitimate reason to go to war with Japan, since they were at war with other countries and trying to expand the conflict.
                          Many Japanese and various historians see Pearl Harbor as a defensive action. The European/US countries which had Asian colonies did not want to see an Asian nation join the party and have its own colonies, repeating their behavior, or to take over existing European/US colonies (taken by the Europeans/US by force originally), so the western countries embargoed oil and other crucial raw materials. There are some parallels to today.



                          Gassho, J
                          stlah
                          ALL OF LIFE IS OUR TEMPLE

                          Comment

                          • MikeH
                            Member
                            • Aug 2025
                            • 37

                            #14
                            Thank you, Jundo, for speaking out so clearly in opposition to these wars. I agree with you wholeheartedly.

                            While I respect the just war theory quoted above, there is another Catholic doctrine that feels even closer to Zen ways of thinking and that I wish I was hearing more in the news these days. According to Catholics, there is a natural light (they call it 'synderesis') in each person that enables the person to spot evil immediately, without words or theories. There is also a natural skill, 'conscience', that allows the person to apply the findings of synderesis to more complex cases immediately, again without words or theories. So synderesis tells us, for example, that killing an innocent person is wrong in general. Conscience tells us that killing this-or-that innocent person is wrong in this particular case.

                            So here is what I would love to hear the Pope and everyone else say: We can all see immediately by the natural light that is in every human being that the war in Iran is wrong, because the natural light tells us immediately that it is wrong to: fight a war with no clear purpose; take the lives of 175 girls by bombing their school; threaten to end an entire civilization; cause fear in an entire population through erratic words and actions and threats; celebrate killing on social media and in media interviews; spend billions and billions of dollars on destruction that could be used to feed the starving, house the unhoused, heal the sick, educate the young; and on and on and on and on.

                            We need to all stand together and stand up for what is obvious and not make it sound too complicated with theories and arguments. I write this literally in tears for all the suffering that is being caused needlessly.

                            Gassho,
                            SatLah,
                            Mike

                            Comment

                            • Ryumon
                              Member
                              • Apr 2007
                              • 1905

                              #15
                              Originally posted by Jundo

                              Many Japanese and various historians see Pearl Harbor as a defensive action. The European/US countries which had Asian colonies did not want to see an Asian nation join the party and have its own colonies, repeating their behavior, or to take over existing European/US colonies (taken by the Europeans/US by force originally), so the western countries embargoed oil and other crucial raw materials. There are some parallels to today.

                              Hmm, it doesn't seem like bombing a naval base a couple of time zones away from your country could be defensive, but I don't know much about it. I'm sure both the losers and winners of that war try to spin the narrative in their direction.

                              Gassho,

                              Ryūmon (Kirk)

                              Sat Lah
                              I know nothing.

                              Comment

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