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Thousands of Unseen Demons Crowd Every Human Step

Berakhot 6a says demons press against every person by the thousands, leaving evidence in sore feet, worn clothes, and the crush of the study hall.

Curated by Arthur · Told by Maggid ·
Table of Contents
  1. The Crowd You Cannot See
  2. The Evidence Is Ordinary
  3. The Blessing That Clears the Way
  4. Ash Around the Bed

The Crowd You Cannot See

Abba Binyamin taught that if the human eye were permitted to see what presses against it, no creature could endure the sight. He was not speaking in the elevated language of mystical vision. He was offering practical comfort: you are protected from seeing the size of what surrounds you. The mercy is in the blindness.

The Talmud records the numbers without apology. Abaye said that every person is outnumbered the way a pit is outnumbered by the mounds of earth dug out of it. Rav Huna gave the verse: a thousand at your side, ten thousand at your right hand. The world around you, in the teaching of Berakhot 6a, is not empty space. It is populated, pressing, and mercifully hidden from direct perception.

The Evidence Is Ordinary

What makes the Talmudic treatment of demons distinctive is its refusal to locate them only in nightmares or ruins or wild places. Rava assigned demonic presence to three conditions that every scholar recognized: the crush felt in a crowded study hall, the knee pain that comes on without obvious cause, and the clothing that wears out too quickly. These are not exotic experiences. They are the mundane discomforts of a life spent at prayer and study and labor in a mortal body.

This is the Talmud's genius. It finds the invisible world in small daily disturbances. The shoulder that aches, the garment that frays faster than it should, the feeling in a room of being pressed without visible cause: all of these become evidence for a populated invisible that is not separate from ordinary life but woven through it. Human beings walk through forces they cannot perceive. The visible cause is not always the whole cause.

The Blessing That Clears the Way

Against the thousand at the side and the ten thousand at the right hand, the tradition set certain countermeasures. The Priestly Blessing, with its three-part invocation and its spreading of divine protection like a mantle, was understood to push the crowding back. The shedim and se'irim, the various categories of demonic and goat-like beings that appear in biblical and rabbinic sources, were not sovereign powers. They existed within creation and under divine limit. Their frightening nearness was real. Their ultimate authority over a human life was not.

Medieval Jewry, following the Talmudic tradition, developed protective practices that took the demonic seriously without granting it victory: mezuzot at doorways, amulets during vulnerable hours, specific blessings before entering a toilet or sleeping through a night. The seriousness of the protection was proportional to the seriousness of the threat the tradition recognized. You did not ward off what was not real. You warded off what was near.

Ash Around the Bed

The practice of spreading ash around a sleeping person's bed was one way of confirming the presence of what could not otherwise be seen. In the ash, footprints of a kind would sometimes appear. The Talmudic tradition recorded this as a verification method, not as a horror story. The impulse is scientific in its own framework: if you want to know whether the invisible presence is real, create conditions under which it leaves visible evidence. The ash is the Talmud doing empiricism on its own cosmology.

That the evidence was treated as real, that rabbis of the Babylonian academies discussed it in the same breath as prayer times and Torah study and business law, tells you something important about the Talmud's vision of the world. The invisible is not a special topic reserved for mystics. It is a feature of the ordinary world that any serious person had to account for.


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Berakhot 6aTalmud Bavli, Berakhot

In terms of this reward, Rabbi Yosei, son of Rabbi Ḥanina said: One who waits in the synagogue for the other to finish his prayer merits the following blessings, as it is stated: “If only you had listened to My mitzvot then your peace would be as a river, and your righteousness as the waves of the sea. Your seed would be as the sand, and the offspring of your body like the grains thereof; his name would be neither cut off nor destroyed from before Me” (Isaiah 48:18–19).

The explanation of this passage is based on the etymological similarity between the word mitzva and the word tzevet, which means group. If he keeps the other person company and does not abandon him after his prayer, all of the blessings that appear later in the verse will be fulfilled in him (Talmidei Rabbeinu Yona). In another baraita it was taught that Abba Binyamin says: If the eye was given permission to see, no creature would be able to withstand the abundance and ubiquity of the demons and continue to live unaffected by them.

Similarly, Abaye said: They are more numerous than we are and they stand over us like mounds of earth surrounding a pit. Rav Huna said: Each and every one of us has a thousand demons to his left and ten thousand to his right. God protects man from these demons, as it says in the verse: “A thousand may fall at your side, and ten thousand at your right hand; they will not approach you” (Psalms 91:7).

Summarizing the effects of the demons, Rava said: The crowding at the kalla, the gatherings for Torah study during Elul and Adar, is from the demons;those knees that are fatigued even though one did not exert himself is from the demons; those clothes of the Sages that wear out, despite the fact that they do not engage in physical labor, is from friction with the demons; those feet that are in pain is from the demons.

One who seeks to know that the demons exist should place fine ashes around his bed, and in the morning the demons’ footprints appear like chickens’ footprints, in the ash. One who seeks to see them should take the afterbirth of a firstborn female black cat, born to a firstborn female black cat, burn it in the fire, grind it and place it in his eyes, and he will see them. He must then place the ashes in an iron tube sealed with an iron seal [gushpanka] lest the demons steal it from him, and then seal the opening so he will not be harmed.

Rav Beivai bar Abaye performed this procedure, saw the demons, and was harmed. The Sages prayed for mercy on his behalf and he was healed. It was taught in a baraita that Abba Binyamin said: One’s prayer is only fully heard in a synagogue, as it is stated with regard to King Solomon’s prayer in the Temple: “Yet have You turned toward the prayer of Your servant and to his supplication, Lord my God, to listen to the song and the prayer which Your servant prays before You on this day” (I Kings 8:28).

The following verse concludes: “To hear the prayer Your servant directs toward this place” (I Kings 8:29). We see that one’s prayer is heard specifically in the Temple, of which the synagogue is a microcosm (Rav Yoshiyahu Pinto). It may be inferred that in a place of song, a synagogue where God’s praises are sung, there prayer should be. In explaining Abba Binyamin’s statement, Ravin bar Rav Adda said that Rabbi Yitzḥak said: From where is it derived that the Holy One, Blessed be He, is located in a synagogue?

As it is stated: “God stands in the congregation of God; in the midst of the judges He judges” (Psalms 82:1). The congregation of God is the place where people congregate to sing God’s praises, and God is located among His congregation. And from where is it derived that ten people who pray, the Divine Presence is with them? As it is stated: “God stands in the congregation of God,” and the minimum number of people that constitute a congregation is a quorum of ten.

From where is it derived that three who sit in judgment, the Divine Presence is with them? It is derived from this same verse, as it is stated: “In the midst of the judges He judges,” and the minimum number of judges that comprises a court is three. From where is it derived that two who sit and engage in Torah study, the Divine Presence is with them? As it is stated: “Then they that feared the Lord spoke one with the other, and the Lord listened, and heard, and a book of remembrance was written before Him, for them that fear the Lord, and that think upon His name” (Malachi 3:16).

The Divine Presence listens to any two God-fearing individuals who speak with each other. With regard to this verse, the Gemara asks: What is the meaning of the phrase, “And that think upon His name”? Rav Ashi said: If a person intended to perform a mitzva, but due to circumstances beyond his control, he did not perform it, the verse ascribes him credit as if he performed the mitzva, as he is among those that think upon His name.

The Gemara returns to Ravin bar Rav Adda’s statement: And from where is it derived that when even one who sits and engages in Torah study, the Divine Presence is with him? As it is stated: “In every place where I cause My Name to be mentioned, I will come to you and bless you” (Exodus 20:21); God blesses even a single person who mentions God’s name, a reference to Torah study (Iyyun Ya’akov). The Gemara asks: Since the Divine Presence rests even upon one who engages in Torah study, was it necessary to say that the Divine Presence rests upon two who study Torah together?

The Gemara answers: There is a difference between them. Two people, their words of Torah are written in the book of remembrance, as it is stated: “And a book of remembrance was written”; however a single individual’s words of Torah are not written in a book of remembrance. The Gemara continues: Since the Divine Presence rests even upon two who engage in Torah study, is it necessary to mention three?

The Gemara answers: Here too, a special verse is necessary lest you say that judgment is merely to keep the peace among the citizenry, and the Divine Presence does not come and rest upon those who sit in judgment as they are not engaged in Torah study. Ravin bar Rav Adda teaches us that sitting in judgment is also Torah. The Gemara asks: Since the Divine Presence rests even upon three, is it necessary to mention ten?

The Gemara answers: The Divine Presence arrives before a group of ten, as the verse: “God stands in the congregation of God,” indicates that when the ten individuals who comprise a congregation arrive, the Divine Presence is already there. For a group of three judges, however, the Divine Presence does not arrive until they sit and begin their deliberations, as in the midst of the judges He judges.

God aids them in their judgment, but does not arrive before them. The Gemara cites another aggadic statement: Rabbi Avin bar Rav Adda said that Rabbi Yitzḥak said: From where is it derived that the Holy One, Blessed be He, wears phylacteries? As it is stated: “The Lord has sworn by His right hand, and by the arm of His strength” (Isaiah 62:8). Since it is customary to swear upon holy objects, it is understood that His right hand and the arm of His strength are the holy objects upon which God swore.

Specifically, “His right hand” refers to the Torah, as it is stated in describing the giving of the Torah: “From His right hand, a fiery law for His people” (Deuteronomy 33:2). “The arm of His strength,” His left hand, refers to phylacteries, as it is stated: “The Lord gave strength to His nation” (Psalms 29:11), in the form of the mitzva of phylacteries. The Gemara asks: And from where is it derived that phylacteries provide strength for Israel?

As it is written: “And all the nations of the land shall see that the name of the Lord is called upon you, and they will fear you” (Deuteronomy 28:10). It was taught in a baraita that Rabbi Eliezer the Great says: This is a reference to the phylacteries of the head, upon which the name of God is written in fulfillment of the verse: “That the name of the Lord is called upon you.” Rav Naḥman bar Yitzḥak said to Rav Ḥiyya bar Avin: What is written in the phylacteries of the Master of the world?

Rav Ḥiyya bar Avin replied: It is written: “Who is like Your people, Israel, one nation in the land?” (I Chronicles 17:21). God’s phylacteries serve to connect Him, in a sense, to the world, the essence of which is Israel. Rav Naḥman bar Yitzḥak continues: Is the Holy One, Blessed be He, glorified through the glory of Israel? Rav Ḥiyya bar Avin answered: Yes, as indicated by the juxtaposition of two verses; as it is stated: “You have affirmed, this day, that the Lord is your God, and that you will walk in His ways and keep His laws and commandments, and listen to His voice.”

And the subsequent verse states: “And the Lord has affirmed, this day, that you are His treasure, as He spoke to you, to keep His commandments” (Deuteronomy 26:17–18). From these two verses it is derived that the Holy One, Blessed be He, said to Israel: You have made Me a single entity [ḥativa] in the world, as you singled Me out as separate and unique. And because of this, I will make you a single entity in the world, and you will be a treasured nation, chosen by God.

You have made Me a single entity in the world, as it is stated that Israel declares God’s oneness by saying: “Hear, Israel, the Lord is our God, the Lord is One” (Deuteronomy 6:4). And because of this, I will make you a single entity in the world, unique and elevated with the utterance: “Who is like Your people, Israel, one nation in the land?” Consequently, the Holy One, Blessed be He, is glorified through the glory of Israel whose praises are written in God’s phylacteries.

Rav Aḥa, son of Rava said to Rav Ashi: It works out well with regard to the contents of one of the four compartments of God’s phylacteries of the head. However, all four compartments of Israel’s phylacteries of the head contain portions of the Torah that praise God. What portions in praise of Israel are written in the rest of the compartments of God’s phylacteries of the head? Rav Ashi said to him: In those three compartments it is written: “For who is a great nation, to whom God is close, like the Lord our God whenever we call upon Him?” (Deuteronomy 4:7); “And who is a great nation, who has righteous statutes and laws, like this entire Torah which I set before you today?” (Deuteronomy 4:8); “Happy are you, Israel, who is like you?

A people saved by the Lord, the shield of your help, and that is the sword of your excellence. And your enemies shall dwindle away before you, and you shall tread upon their high places” (Deuteronomy 33:29); “Or has God attempted to go and take for Himself a nation from the midst of another nation, by trials, by signs and by wonders” (Deuteronomy 4:34); “And to elevate you above all nations that He has made, in praise, in name and in glory; that you may be a holy people to the Lord, your God, as He has spoken” (Deuteronomy 26:19).

Rav Aḥa, son of Rava, raises an objection: If all of these verses are included in God’s phylacteries of the head, there are too many compartments as more than four verses of praise were listed. Rather, the portions in God’s phylacteries must be arranged as follows: The verses “For who is a great nation” and “And who is a great nation” are included in one compartment, as they are similar. “Happy are you, Israel” and "Who is like your people, Israel" are in one compartment. “Or has God attempted” is in one compartment and “And to elevate you” is in one compartment

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Jewish Encyclopedia, "Shedim" (1906)Jewish Encyclopedia (1901-1906)

Two words haunted ancient Israel: shedim (demons) and se'irim. The Israelites were forbidden from sacrificing to either. They sacrificed anyway.

The se'irim were the hairy ones, satyr-like creatures that danced in ruined cities and howled across desert wastes (Isaiah 13:21). Among them lurked Azazel, the goat-demon of the wilderness to whom a scapegoat was driven on Yom Kippur (Leviticus 16:10), and Lilith, the night-demon who haunted desolate places (Isaiah 34:14). The shedim were storm-demons, adopted from ancient Chaldean mythology, where seven ox-shaped deities of destruction raged across the sky. Israel offered sacrifices to them in open fields despite every prohibition (Deuteronomy 32:17).

The Talmud multiplied them beyond counting. Abba Benjamin said: if the eye could see the demons pressing in on every side, no creature could endure it. They outnumber humans. Each person has ten thousand at his left hand and a thousand at his right. The crushing in the lecture halls on Sabbath eve? Demons. The wearing out of the rabbis' clothing? Demons grinding against the fabric. The stumbling of feet on a dark road? Demons.

They could be detected. Scatter ashes around your bed at night and by morning you will find tracks like a rooster's. They eat and drink, they multiply, and they die. They have wings. They sit in the tops of palm trees. And every privy, every ruin, every shadow harbored them.

But the shedim also served. Solomon commanded them through a signet ring inscribed with the ineffable Name (Deuteronomy 32:17). They dove into the sea for him. They built the Temple. Bound in chains, the storm-demons who once scattered terror became the king's laborers, and the creatures that Israel had once worshipped in fear now carried stones at the command of a mortal.

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Jewish Magic and Superstition, Ch. 4Jewish Magic and Superstition (Trachtenberg, 1939)

Demons were not abstract theology for medieval Jews. They were a daily hazard requiring specific countermeasures, and Joshua Trachtenberg catalogued an elaborate system of protections that governed everything from walking at night to using the bathroom.

The most basic rule: never travel alone after dark. The Talmud taught that two people walking together are safer but must stay alert; three together need not fear at all. A torch counted as one companion. Judah ben Bezalel of Prague elaborated in his commentary Derech Hayim that even the light of a candle could repel the spirits that roamed freely between sunset and dawn. The Friday night Amidah prayer was shortened specifically to get worshippers home before demons emerged, though as Professor Ginzberg noted, this was a later superstitious reinterpretation of what was originally just the only evening service of the week.

Certain people attracted demonic attention more than others. A bridegroom and bride were considered especially vulnerable, as were mourners, the sick, and women in labor. The Sefer Hasidim warned against sleeping alone in a house, pouring water at certain hours, and eating food left uncovered overnight, all entry points for demonic contamination.

The most dramatic form of demonic interference was possession. A dibbuk (דיבוק), the spirit of a dead person that enters a living body, appears in Jewish literature from at least the 16th century, first attested in writings about Isaac Luria and his students in Safed. A protocol from 1571 describes an actual exorcism. But the concept drew on much older beliefs about restless souls and their ability to cross the boundary between the living and the dead. The Kabbalists linked dibbukim to the doctrine of gilgul (reincarnation), these were souls too damaged to find a new body through normal channels, forcing their way into an already-occupied one.

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Targum Jonathan on Numbers 6Targum Jonathan

Everyone knows the Priestly Blessing: "The Lord bless you and keep you" (Numbers 6:24-26). What most people do not know is that the Targum Jonathan expands those three elegant verses into something much wilder, a protective incantation against demons, evil spirits, and phantoms.

The Targum first addresses the Nazirite vow, adding that a person might choose to become a Nazirite after "seeing her who had gone astray in her corruption", linking the previous chapter's adulteress directly to the Nazirite's decision to abstain. This psychological motivation does not appear in the Hebrew text.

The Nazirite's hair carried divine weight. The Targum calls it "the crown of Eloah" upon his head. If a person died near a Nazirite suddenly, contaminating the vow, the Nazirite had to restart entirely. The former days would "have been in vain." All that discipline, wasted by proximity to a corpse.

The climax is the Priestly Blessing itself. Aaron and his sons blessed Israel "while spreading forth the hands from the high place." The Targum then gives an expanded version of each line. "The Lord bless thee in all thy business, and keep thee from demons of the night, and things that cause terror, and from demons of the noon and of the morning, and from malignant spirits and phantoms." A simple petition for protection becomes a comprehensive shield against an invisible spirit world.

"The Lord make His face to shine upon thee, when occupied in the law, and reveal to thee its secrets, and be merciful unto thee." Divine illumination becomes Torah revelation. "The Lord lift up His countenance upon thee in thy prayer, and grant thee peace in thy end." The final blessing concerns the moment of death.

The Targum concludes: "I, by My Word, will bless them." Not God directly, but the Memra, the Word, as intermediary. Even in blessing, the Targum maintains its theology of divine distance.

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Berachot 6a (via Hebraic Literature, 1901)Hebraic Literature (1901)

Abba Benjamin used to say, “If our eyes were permitted to see the malignant sprites that beset us, we could not rest for a moment on account of them.” The air, the rabbis taught, is thicker with unseen things than the ground is with dust.

Abaye said, “They outnumber us. They surround us as the earthed-up soil surrounds our garden beds.” Rav Huna added, quoting the Psalms, “Every person has a thousand at his left side and ten thousand at his right” (Psalms 91:7). Rava completed the picture: “The crowding you feel in the houses of study, the weariness in your knees — that is them pushing in. They even tear our clothes by hustling against us.”

How would you prove they are there? Rava gave a practical test: sift ashes on the floor by your bedside before you sleep. In the morning you will see tracks, as though a flock of birds had crossed the room in the night.

If you wanted to see the demons themselves? The rabbis gave a recipe — burn to ash the afterbirth of a firstborn black kitten whose mother was herself a firstborn black cat, then put the ash in your eyes. You would see them. But the rabbis add a warning: whoever looks on the unseen world with unprepared eyes loses something in himself. Better to know they are there, and keep walking.

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