Dispute for Heaven versus self

ובמשנה מחלוקת שאינה לש"ש מחלוקת קרח.

And in the Mishnah: a dispute that is not for the sake of Heaven (she-einah le-shem shomayim) is the dispute of Korach. (Avos 5:17)

The Mishnah cites Korach's quarrel as the prime example of a dispute not for Heaven's sake.

וקשה כי בזה המחלוקת נראה שהי' עבירה גדולה ואיך יחסו לו שהוא רק מחלוקת שלא לש"ש.

And it is difficult: for in this dispute it appears that there was a grave sin, so how can they ascribe to it merely [the status of] a dispute that is not for the sake of Heaven?

The Sefas Emes asks: Korach's rebellion was a terrible sin, so why does the Mishnah characterize it so mildly, as merely "not for Heaven's sake"?

אבל הנראה בזה כי בודאי הי' קרח מוכן להיות בר פלוגתא לאהרן כמו שמאי והלל.

But it appears in this matter that Korach was certainly fit to be a worthy disputant (bar plugta) to Aharon, like Shammai and Hillel.

Korach was originally suited to be a legitimate counterpart to Aharon, the way Shammai stood opposite Hillel.

וכמו שיש גם בשמים אש ומים כמ"ש עושה שלום במרומיו.

And just as there are also fire and water in heaven, as it is written, "He makes peace in His heights." (Iyov 25:2)

Even in heaven opposites like fire and water coexist, held together in harmony by Hashem.

וכמו כן בכלל ישראל כ'ל'י מחזיק ברכה כהנים לוים ישראלים שיש לכל אחד ענין מיוחד רק שצריכין לבטל עצמם להשי"ת.

And likewise in Klal Yisrael — "a vessel (keli) that holds blessing" — Kohanim, Levi'im, and Yisraelim, each one having a unique role; only that they must nullify themselves (le-vatel atzmam) to Hashem.

Klal Yisrael's three groups each have a distinct role that, together, form a vessel for blessing — provided each nullifies itself toward Hashem rather than asserting itself.

וזה השלימות שנולד מן המחלוקת.

And this is the completeness (shleimus) that is born from the dispute.

A genuine wholeness can emerge precisely from the tension of differing roles — when they unite in bittul.

וע"י שמתחלתו לא הי' מחלוקותו של קרח לש"ש לכן בא אח"כ לידי חטא זה ונאבד.

And because from its beginning Korach's dispute was not for the sake of Heaven, therefore it later came to this [grave] sin and he was lost.

The Mishnah's point is the root: because Korach's motive was self-serving from the start, it inevitably degenerated into rebellion and his destruction.

וז"ש ויקח קרח שלא הי' המחלוקת לשם ה' רק לעצמו.

And this is the meaning of "And Korach took" (Bamidbar 16:1) — that the dispute was not for the sake of Hashem but only for himself.

"Korach took" signals that he was grabbing for himself; his quarrel was self-interested, not for Heaven.

וזהו שהשיבו בוקר ויודע ה' אשר לו פי' שיברר מי שכוונתו אליו ית' כנ"ל.

And this is what [Moshe] answered him: "In the morning Hashem will make known who is His" (Bamidbar 16:5) — meaning that He will clarify who has intention toward Hashem, as above.

Moshe's response was that the test would reveal whose intent was truly directed toward Hashem rather than toward self.

והגם כי הי' קרח חכם גדול על זה כתיב אל יתהלל כו' בחכמתו כו'.

And even though Korach was a great sage, about this it is written, "Let not [the wise man] glory... in his wisdom." (Yirmiyahu 9:22)

Korach's great wisdom did not save him, for one must not take pride in wisdom alone.

בחכמתו דייקא.

"In his wisdom" — specifically.

The verse stresses that wisdom used for self-glorification is precisely the trap.

כי אם בזאת כו' השכל וידוע אותי שצריך להיות המכוון לשם ה' ית':

"But rather in this [let him glory]... understanding and knowing Me" (Yirmiyahu 9:23) — that the intention must be for the sake of Hashem.

True worth lies not in wisdom for its own sake but in directing everything, including one's wisdom, toward knowing and serving Hashem.

Summary: The Sefas Emes resolves why the Mishnah labels Korach's grave rebellion merely a "dispute not for the sake of Heaven": Korach was genuinely fit to be a worthy counterpart to Aharon, for Klal Yisrael — like fire and water in heaven — contains distinct roles (Kohen, Levi, Yisrael) that form a vessel for blessing when each nullifies itself to Hashem. The fatal flaw was at the root: because Korach's intent was self-serving from the start ("Korach took... for himself"), even his great wisdom could not save him, and the dispute degenerated into ruin. The lesson: glory not in wisdom, but in directing all toward knowing Hashem.