The Zohar, the Arizal, and centuries of Kabbalistic tradition teach that Brit Milah touches the very root of the soul and reshapes a Jew’s spiritual reality in ways that ripple through all the worlds.

There are moments in Jewish life that transcend the ordinary. The birth of a son carries with it waves of joy, responsibility, and ancient memory. And on the eighth day, that joy finds its covenantal expression in one of the most profound and mysterious commandments in the Torah: Brit Milah, the covenant of circumcision. This is not merely a ritual. The Zohar, the Arizal, and centuries of Kabbalistic tradition teach that Brit Milah touches the very root of the soul and reshapes a person’s spiritual reality in ways that ripple through all the worlds.

To understand Brit Milah is to begin to understand the Jewish people’s unique relationship with Hashem. It is a covenant written not in ink, not in words, but in the body itself, passed from Abraham to every Jewish son across every generation.

The Foundation: What the Torah Commands

The commandment of Brit Milah originates in Parashat Lech Lecha, where God speaks directly to Avraham Avinu and establishes an eternal covenant:

“This is My covenant which you shall keep, between Me and you and your seed after you: every male among you shall be circumcised… and it shall be a sign of the covenant between Me and you.”

(Bereishit 17:10-11)

The timing is equally precise. God specifies that the brit must be performed on the eighth day of the child’s life (Bereishit 17:12), and the Shulchan Aruch codifies this as the primary halachic framework for the mitzvah.

The Shulchan Aruch rules: “It is a positive commandment to circumcise one’s son, and the commandment is incumbent first upon the father… The time of the mitzvah is during the day, from sunrise. The mitzvah is greater when performed as early in the day as possible.”

(Shulchan Aruch, Yoreh De’ah 261:1)

The obligation overrides Shabbat when the eighth day falls on Shabbat, a ruling that reflects the depth of the commandment’s importance. The Shulchan Aruch further specifies the procedure of milah, periah, and metzitzah, each component carrying both halachic weight and mystical significance.

Eight: The Number Beyond Nature

One of the most penetrating questions a person can ask about Brit Milah is: why the eighth day? The number eight is not arbitrary. Throughout the Torah, seven represents the complete cycle of nature, the seven days of creation. Eight, by contrast, represents something that transcends nature entirely.

The Zohar teaches this with remarkable clarity:

“The holy covenant is the foundation of the world… and it corresponds to the eighth, which is above the seven days of creation.”

(Zohar, Lech Lecha 93b)

The eighth day, in Kabbalistic understanding, is the entry point into a dimension of existence that stands above the natural order. Seven completes the world as it was created. Eight opens into the realm of the infinite. By performing the brit on the eighth day, the child is introduced into a covenant that connects him to something beyond what nature alone can contain.

Rebbe Nachman of Breslov, in his unique way, spoke of the power of the brit as connected to the realm of faith itself, a level that transcends intellect and even spiritual attainment achieved through one’s own efforts. He taught that the brit is tied to the illumination of the face, a concept he called the “light of the face” that a person of true faith radiates, and that this light flows from the guarding of the holy covenant.

(Likutey Moharan 36)

The Zohar’s Teaching: The Seal of the Holy King

The Zohar does not treat the brit merely as a communal or national identity marker. It understands it as a metaphysical seal, a mark that allows the soul of a Jewish man to ascend through the spiritual worlds and connect to the Shechinah, the Divine Presence.

“Whoever has the mark of the holy covenant upon him is able to enter the presence of the Holy King. Whoever lacks this mark cannot enter.”

(Zohar, Lech Lecha 91b)

This is a statement of tremendous spiritual weight. The Zohar is saying that the brit is not merely symbolic. It creates a genuine channel, an opening in the spiritual anatomy of a Jewish man, through which the light of Hashem can flow and be received. Without this opening, there are certain levels of connection to the Holy Blessed One that remain inaccessible.

The Zohar goes further, describing the covenant as being connected to the Sefirah of Yesod, the divine attribute of Foundation, which serves as the channel through which Divine blessing flows into all the lower worlds. When a Jewish man guards the brit, he becomes, in a sense, a conduit for the blessing of Yesod to flow into the world.

(Zohar, Bereishit 13a; see also Tikkun Zohar, Tikkun 21)

The Arizal: Rectifying the Soul Through the Covenant

Rabbi Yitzchak Luria, the Arizal, whose teachings were recorded and transmitted primarily by his student Rabbi Chaim Vital, brought Brit Milah into the center of the Kabbalistic understanding of the soul’s rectification. The Arizal taught that the foreskin represents a spiritual “kelipah,” a husk of impurity that covers and conceals the holiness of the soul. Its removal at the brit is the beginning of a process of purification that the Jewish soul undergoes in this world.

Rabbi Chaim Vital records in the name of the Arizal: “The milah removes the outer kelipah and reveals the inner holiness of the Yesod, which is the foundation of all sanctity.

(Sha’ar HaMitzvot, Parashat Lech Lecha)

The Arizal also taught that the name of God, Shaddai, is mystically connected to the covenant. The letter shin of Shaddai corresponds to the three patriarchs, the dalet to the covenant itself, and the yud to the sign of the brit. Together, these letters describe the divine name through which the covenant operates and through which God protects the Jewish people.

Furthermore, the Arizal explained that the act of performing a brit on a child draws down a specially elevated neshamah, a higher level of soul, that was not fully accessible before the covenant was enacted. The milah, in this sense, is not only about removing something. It is about opening a child to receive a dimension of his own soul that awaits him on the other side of the covenant.

(Sha’ar HaGilgulim, Introduction 32)

The Rashash and the Kavanot of the Brit Milah

Rabbi Shalom Sharabi, known as the Rashash, the towering Kabbalist of 18th-century Jerusalem, developed an intricate system of kavanot, directed intentions, for the performance of mitzvot. His commentary on the siddur and his yeshivah, Beit El in Jerusalem, became the center of practical Kabbalah for generations of Sephardic Kabbalists.

The Rashash, building on the foundations laid by the Arizal, taught that the brit ceremony involves specific divine names and spiritual combinations that are activated through the consciousness of those present, particularly the mohel, the sandak, and the father. The sandak, the one who holds the child during the milah, occupies a role of particular spiritual weight. The Rashash wrote that the sandak corresponds to the altar upon which an offering is brought, and that by holding the child he becomes a channel for tremendous spiritual influx.

(Nahar Shalom, Kavanot HaBrit)

This elevation of the sandak’s role reflects the broader Kabbalistic understanding that the brit is not a private event. It is a cosmic one. Every Jew who participates, who witnesses, who rejoices at the brit, draws down spiritual light into the world.

The Ben Ish Chai: Simchah and the Seudah of the Brit

Rabbi Yosef Chaim of Baghdad, beloved throughout the Sephardic world as the Ben Ish Chai, integrated halachah, Kabbalah, and the wisdom of the soul in a way that made mystical ideas accessible and practical. His teachings on Brit Milah carry both legal precision and deep spiritual insight.

The Ben Ish Chai emphasizes the tremendous importance of the festive meal that accompanies the brit, the seudas mitzvah. He writes that the joy of this meal elevates all the spiritual work of the covenant, and that the holy souls of righteous people, including the soul of Eliyahu HaNavi, are present at every brit:

“It is a great mitzvah to rejoice greatly at the seudas Brit Milah, for Eliyahu HaNavi is present at every brit, and our joy honors his presence among us.

(Ben Ish Chai, Shanah Rishonah, Parashat Shoftim, 17)

Eliyahu HaNavi holds a unique connection to the brit. He is called the “Angel of the Covenant” (Malach HaBrit), and a special chair is set aside for him at every circumcision. The tradition comes from the midrash and is rooted in Eliyahu’s zealousness for the covenant when the Jewish people had abandoned it in the time of the wicked King Achav. As a reward for his passion for the brit, God appointed him as the guardian and witness of every brit performed throughout the generations.

(Pirkei DeRabbi Eliezer, Chapter 29; see also Zohar, Lech Lecha 93a)

The Chida: Names, Prayers, and the Power of the Moment

Rabbi Chaim Yosef David Azulai, the Chida, one of the greatest Torah scholars and Kabbalists of the 18th century, wrote extensively about the spiritual power embedded within the brit ceremony. He was deeply attuned to the mystical dimensions of practical Jewish life and understood that every component of the ceremony, from the prayers recited to the naming of the child, carried profound significance.

The Chida teaches that the moment of the brit is an especially propitious time for prayer. The opening of the spiritual seal at that moment creates a window through which prayers ascend with unusual power:

“At the time of the brit milah, the gates of heaven are open, and every prayer and blessing ascends before the Holy Blessed One with great favor.”

(Chida, Avodat HaKodesh, Moreh B’Etzba 2:53)

The naming of the child, which takes place during the brit ceremony, is also treated by the Chida with great seriousness. He explains, drawing on earlier Kabbalistic sources, that the name of a person is not arbitrary. It contains within it the spiritual essence of the soul. When a name comes to a parent intuitively, it is often understood as a form of Divine guidance, the name that the soul itself carries from the higher worlds.

(Chida, Devash L’Fi, Mem 8)

The Baal Shem Tov: Joy as the Foundation of the Covenant

The Baal Shem Tov, Rabbi Yisrael ben Eliezer, the founder of the Chassidic movement, transformed the way simple and learned Jews alike related to mitzvot. He taught that divine service must be rooted in joy, and that joy is not merely an add-on to religious life but its very foundation.

In the context of Brit Milah, the Baal Shem Tov’s emphasis on joy takes on a specific dimension. He taught that when a Jewish family celebrates the brit with genuine happiness, from the heart and not merely from social obligation, they draw down an extraordinary level of Divine light. The joy of the parents, the mohel, and the guests literally affects the spiritual standing of the child’s soul in the upper worlds.

A teaching cited in his name captures this beautifully:

“The simchah of a mitzvah is itself the vessel through which the light of the mitzvah enters the world. Without joy, even a mitzvah performed with perfect precision remains like a lamp without oil.”

(Keter Shem Tov, 101)

Applied to the brit, this means that the celebration surrounding the ceremony is not peripheral. It is central. The songs, the dancing, the warm gathering of family and friends, the shared meal, these are the vessel through which the deeper spiritual energies of the brit are absorbed and realized.

Halachic Details That Carry Mystical Weight

The Shulchan Aruch is meticulous about the laws of Brit Milah, and many of its rulings reflect a sensitivity to both practical and spiritual concerns.

Regarding the mitzvah itself falling on Shabbat, the Shulchan Aruch writes:

“If the eighth day falls on Shabbat, the brit is performed on Shabbat, and the prohibitions of Shabbat are overridden for the milah, the periah, and the metzitzah.”

(Shulchan Aruch, Yoreh De’ah 266:2)

The fact that Brit Milah overrides Shabbat is itself a statement about the commandment’s weight. Only a small number of mitzvot in the Torah carry this capacity, and it reflects the absolute priority the tradition places on the covenant.

The Shulchan Aruch further specifies:

“It is a mitzvah to honor the mohel, the sandak, and the one who brings the child in for the brit… The sandak is compared to the Kohen who offers the incense offering.”

(Shulchan Aruch, Yoreh De’ah 265:11)

The comparison of the sandak to the Kohen Gadol during the incense service is a striking image. The incense was considered the most intimate act of connection to God in the Temple, performed in the innermost chamber. By likening the sandak’s role to this, the Shulchan Aruch acknowledges the profound intimacy of the brit ceremony with God.

A Covenant Across Time

There is something deeply moving about the continuity of Brit Milah. Every brit that takes place today is a living link in a chain that stretches back to Avraham Avinu standing before God in the desert and accepting this covenant into his own flesh. The Zohar says that when Avraham circumcised himself, the heavens opened and the Shechinah descended to rest upon him:

“When Avraham circumcised himself and entered the covenant, the Shechinah came and rested upon him and he was called complete.”

(Zohar, Lech Lecha 95a)

That same possibility of completion, of wholeness before God, is opened to every Jewish son at his brit. The ceremony links him to a lineage of souls who stood before the same covenant, who carried the same seal, who were beloved by the same King.

Rebbe Nachman of Breslov taught that the brit is connected to the concept of emunah, faith, at its most essential:

“Through the brit, a person merits the illumination of the countenance of the Tzaddik, which is the light of faith itself.”

(Likutey Moharan 36:1)

The covenant is not a burden. It is a gift. It is the sign of belonging to something that transcends any individual life, any particular era. It is the mark of a people chosen not for their own glory but to be a vehicle for the Divine light in the world.

Conclusion

Brit Milah stands as one of the most layered and spiritually dense commandments in the entire Torah. On the surface, it is a precise halachic procedure governed by the Shulchan Aruch in its finest detail. Beneath the surface, the Zohar, the Arizal, the Rashash, the Ben Ish Chai, the Chida, the Baal Shem Tov, and Rebbe Nachman each reveal additional dimensions of meaning that reveal it as a cosmic act, one that reshapes the soul, connects a child to the deepest root of the Jewish people, and opens channels of Divine blessing into the world.

When you stand at a brit milah, you are not simply attending a ceremony. You are witnessing a covenant being renewed, a soul being sealed, a child being welcomed into the family of Avraham and Sarah and into the eternal embrace of the Holy Blessed One. There is no more fitting way to bring a son into the world.

Sources

Torah and Halachah

Bereishit (Genesis) 17:1-14 — The original covenant of circumcision with Avraham.

Shulchan Aruch, Yoreh De’ah, Hilchot Milah (Chapters 260-268) — Primary halachic rulings on Brit Milah, including timing, the mohel, the sandak, and its overriding of Shabbat.

Kabbalistic Sources

Zohar, Parashat Lech Lecha, 91b — The covenant as the seal of the Holy King.

Zohar, Parashat Lech Lecha, 93a-b — The eighth day as transcending the seven days of creation; Eliyahu HaNavi as guardian of the covenant.

Zohar, Parashat Lech Lecha, 95a — Avraham’s circumcision and the descent of the Shechinah.

Zohar, Parashat Bereishit, 13a; Tikkun Zohar, Tikkun 21 — The covenant connected to Yesod, foundation of all blessing.

Arizal (Rabbi Yitzchak Luria), Sha’ar HaMitzvot, Parashat Lech Lecha — The kelipah of the foreskin and the revelation of inner holiness.

Arizal, Sha’ar HaGilgulim, Introduction 32 — The higher neshamah drawn down through the brit.

Rashash (Rabbi Shalom Sharabi), Nahar Shalom, Kavanot HaBrit — The spiritual kavanot of the brit; the sandak as the altar.

Later Authorities and Chassidic Sources

Ben Ish Chai (Rabbi Yosef Chaim of Baghdad), Shanah Rishonah, Parashat Shoftim, 17 — The seudas mitzvah and the presence of Eliyahu HaNavi at the brit.

Chida (Rabbi Chaim Yosef David Azulai), Avodat HaKodesh, Moreh B’Etzba 2:53 — The propitious time of the brit for prayer.

Chida, Devash L’Fi, Mem 8 — The spiritual significance of the name given at the brit.

Pirkei DeRabbi Eliezer, Chapter 29 — Eliyahu HaNavi as the Angel of the Covenant.

Baal Shem Tov (Rabbi Yisrael ben Eliezer), Keter Shem Tov, 101 — Joy as the vessel for the light of the mitzvah.

Rebbe Nachman of Breslov, Likutey Moharan 36:1 — The brit, the illumination of the countenance, and the light of faith.