In what sense is belief in the eventual coming of Moshiach fundamental to Judaism? Rambam famously includes it as the twelfth in his list of iqarim, but why?

Considering the other iqarim, Judaism would be very different without them—non-existent or nonsensical without some. But it seems to me that if we had been promised something else in place of a restoration of the Davidic monarchy (a generic “Messianic Age”, or a Torah republic, etc.) there wouldn’t be much difference in Jewish practice or thought.

Note: I’m not asking whether belief in Moshiach is required; I’m assuming that since Moshiach is prophesied, belief in the eventual redemption and restoration of the Davidic monarchy is a necessary consequence of belief in nevu’ah. I’m also not asking why a melekh hamoshiach is needed (rather than the alternatives I mentioned above). I’m only asking why (or, in what sense) this belief is part of Judaism’s foundations rather than being one of its consequences.

  • judaism.stackexchange.com/a/26919/603
    – Menachem
    Commented Nov 3, 2013 at 19:04
  • Do you want to know, "in what sense," or "why"?
    – Seth J
    Commented Nov 6, 2013 at 16:45
  • @SethJ, I suspect the two are intertwined. If you can answer one without the other, I may accept that as well; but if your answer to one implies (but does not make explicit) the answer to the other, I will request a clarifying edit. Commented Nov 6, 2013 at 18:11
  • @SethJ, note the (very similar) answers I've received; they both address “why?” and “in what sense?”. Commented Nov 6, 2013 at 18:13
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    Maybe this question needs a Rambam tag added. I say this because R. Chasdai Crescas, Rashbatz and R. Yosef Albo, all relegate belief in the coming of the Mashi'ach from the core, to a second or third tier, with R. Albo being the most outspoken against including it in the Iqarim.
    – Tamir Evan
    Commented Dec 31, 2013 at 8:32

3 Answers 3


It is part of the fundamental principle of yichud Hashem - that not only is there only one God, but God alone has full control of the the world and His will reigns supreme. The Ramchal starts off klach pitchei chachma discussing this. (See also Daat Tevunot).

There he explains that everything in the world, (even what a human being does with free will such as sinning) must be authorized by God. Even when a person commits a sin, it must first be authorized by Him and He considers how it will fit in His divine plan of total rectification in the end. This rectification will be accomplished through either repentance or punishment.

Without this fundamental belief, the Ramchal explains, one can assert that the Jews sinned against God and "ruined" His plan, and are therefore eternally damned (as some Christians believe).

Hence, the belief in Messiah is the belief that history is not a chain of events going nowhere, but there is a plan for creation and that God has exclusive control of that plan and history is inevitably moving towards this goal.

(this last statement by an audio from Rabbi Uziel Milevsky zt'l)

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    Wouldn't an ikkar about God's guidance be sufficient? Who needs mashiach?
    – Double AA
    Commented Oct 31, 2013 at 7:08
  • without Moshiach there cannot be God's guidance since there's no divine plan. it's like driving a car without a destination plan. you cant call that guidance. guidance implies purpose - and Mashiach means the world is going towards a purpose.
    – ray
    Commented Oct 31, 2013 at 10:07
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    There could be other things besides Mashiach which are the goal of the plan. You're answer is giving exactly the kind of reasoning the OP didn't want. He wanted to know why mashiach is important qua mashiach, not how it fits in to the other ikkarim.
    – Double AA
    Commented Oct 31, 2013 at 13:48
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    what other things? Moshiach symbolizes that history is not a chain of events going nowhere. i.e. that there is a plan. letaken olam b'malchut shadai, which you say three times a day, in the alenu leshabeach prayer. - from Rabbi Milevsky. it is important because this is part of yichud Hashem as my answer clearly states.
    – ray
    Commented Oct 31, 2013 at 18:32
  • books.google.com/…
    – wfb
    Commented Oct 31, 2013 at 19:36

According to the Hattam Soffer (Responsa vol II YD 356) it is not, to use the OP's words "part of Judaism’s foundations", but rather, is "one of its consequences":

אך א"א לי בשום אופן להאמין שיהי' גאולתינו א' מעיקרי הדת ושאם יפול היסוד תפול החומה חלילה ושנאמר אלו הי' ח"ו חטאנו גורמים שיגרש אותנו גירוש עולם וכדס"ל לר"ע בעשרת השבטים שהם נדחים לעולם המפני זה רשאים הם לפרוק עול מלכות השמים או לשנות קוצו של יו"ד /י'/ אפי' מדברי רבנן חלילה אנחנו לא נעבוד ה' לאכול פרי הארץ ולשבוע מטוב' לעשות רצונך אלקי חפצתי ועכ"פ ועל כל אופן עבדי ד' אנחנו יעשה עמנו כרצונו וחפצו ואין זה עיקר ולא יסוד לבנות עליו שום בנין

However, I cannot believe that our redemption would be one of the principles of our faith, and that if this pillar would fall, then the wall would fall, heaven fore-fend, and that if heaven fore-fend, our sins would cause that He expel us eternally - and as R. Akiva reckoned regarding the ten tribes; that they are eternally rejected. Would this be grounds to reject the yolk of heaven, or to change the dot of an i of even a rabbinic matter. Heaven fore-fend! We will not serve God to eat the fruit of the land and to sate ourselves from its goodness; it is to do your will, my God that I have desired! And in every way and circumstance, we are servants of God, he will do with us according to his will and desire. And this is not a pillar nor a foundation upon which to build any structure. (trans. my own).

Instead, he asserts that its importance stems from the fact that this is a prophecy:

אך כיון שעיקר יסוד הכל להאמין בתורה ובנביאים ושם נאמר גאולתינו האחרונה בפ' נצבים ובפ' האזינו כמ"ש רמב"ן שם והרבה מזה בדברי נביאים אם כן מי שמפקפק על הגאולה הלז הרי כופר בעיקר האמנת התורה והנביאים.

Nevertheless, since the ultimate principle of everything is to believe in the Torah and Prophets, and our final redemption is stated there, in the Parsha of Nizavim, as Ramban stated there, and the words of the prophets include much of this, therefore, one who casts doubt on the redemption denies the principle of belief in the Torah and Prophets. (trans. my own.)

This is a fascinating alternative understanding.

  • This kind of answer is why I think the question may need a Rambam tag. Also, the question is asking why the Rambam (and those who agree with him) includes it in the Iqarim. Answering that someone else does not, doesn't answer the question.
    – Tamir Evan
    Commented Sep 6, 2017 at 18:36
  • No it isn't asking about rambam. It asks about an Idea found in Rambam; that mashiach is an ikkar.
    – mevaqesh
    Commented Sep 6, 2017 at 18:40
  • "Rambam famously includes it as the twelfth in his list of iqarim, but why"? Reworded, that says: Why does Rambam include it as the twelfth in his list of iqarim?
    – Tamir Evan
    Commented Sep 6, 2017 at 18:51
  • @Tamir good question. Consider rewording it, and asking it separately.
    – mevaqesh
    Commented Sep 6, 2017 at 19:08
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    In what way is my rewording different from the original question?
    – Tamir Evan
    Commented Sep 6, 2017 at 19:16

The question assumes that the Ikkar is independent of a generic Messianic age. Rather the Ikkar is about it being fundamental to believe in a Messianic age. The Ikkar is:

1) That the complete fulfillment of Torah and Mitzvos is the purpose of the world. 2) That G-d will ultimately make that happen through Moshiach. 3) To want that to happen.

If someone doesn't think that about Torah and Mitzvos, then they are fundamentally missing something, not really different than someone fully keeping Torah and Mitzvos but not really believing reward and punishment - it takes it that they are of no real consequence.

This is from an article from Rabbi Yoel Kahn in one of his articles from the series called Macheves HaChassidus which was printed regularly in Kfar Chabad Magazine over 20 years ago. I have a binding of a bunch of those articles that was made as a special printing back in the day, and the one I'm referring to is titled למה האמונה בביאת המשיח היא יסוד בדת? on page 132. Part of this book was re-typeset and reprinted in 2001 and is available here, but that is only volume one, which does not cover this article. Perhaps a volume 2 exists or is coming out (the Rabbi is still alive and actively writing).

On the specific question of why Moshiach and not without a king, that is a detail, not unlike why believing in Chabakkuk is a necessary part of the Ikkarim, even though Chabakkuk on his own isn't fundamental to Judaism. Similarly, although Moshiach as a king of specified linage is a specific detail of Messianic Redemption, it is the general concept he is tied to that makes it fundamental.

That last paragraph is not in the article I mentioned. However, he does explore the difference between what is fundamental and what is not. What is not fundamental, if someone mistakenly believes something (in my example above, it would be that there was no such prophet as Chabakkuk) out of ignorance, that is just ignorance, not a lacking in his faith. But if he doesn't believe in an Ikkar, then his faith is bad. (If memory serves, that distinction is from Rav Chaim Brisker).

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    Your first 4 paragraphs don't seem to have anything to do with the question. Moreover, none of the three things you claim are ikkarim are listed on the Rambam's list...
    – Double AA
    Commented Oct 31, 2013 at 16:16
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    No. The Ikkar (per Rambam) is that he will come. Not that his coming will be the complete fullfillment of the purpose of the world vis-a-vis Torah and Mitzvos. And 3 is not there. It just says you have to fully expect him to come.
    – Double AA
    Commented Oct 31, 2013 at 16:31
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    I didn't say they weren't on the Lubavitcher Rebbe's own list of ikkarim. I said it wasn't on the Rambam's, and I stand by that. What you wrote is not on the Rambam's list. Perhaps you meant something else, but I can't comment on anything other than what it says in words above. What you wrote is that the proposition is: "That G-d will ultimately make [the complete fulfillment of Torah and Mitzvos [i.e.] the purpose of the world] happen through Moshiach." This is not on the Rambam's list. And there are lots of things I expect to happen and wait for, but don't want to happen.
    – Double AA
    Commented Oct 31, 2013 at 16:56
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    Not "shouldn't". Don't put words in my mouth. I said "is not an ikkar [according to the Rambam]". And I don't need luck to read the Rambam and know I'm right about him. All I noted in my first comment is your claims don't match the Rambam's, not that there is any reason they have to.
    – Double AA
    Commented Oct 31, 2013 at 17:01
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    @DoubleAA, 1) The question assumes that the Ikkar is independent of a generic Messianic age. The point is that it is not, that is part and parcel of the Ikkar. 2) It isn't a lav davka, rather a prat. Kind of like if someone asked why Chabakkuk is so important a prophet that he is part of the Ikkarim. The correct belief in the principle requires believing in the correct form of it, not an alternative belief that would also be fundamental, in harmony but just happens to be wrong.
    – Yishai
    Commented Oct 31, 2013 at 18:45

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