Parshat Bo5 min read

Twofold Blood Marked the Lintels of Egypt

Israel marked doors with lamb blood and circumcision blood. Heaven saw both, said live twice, and tied that mercy to Yom Kippur forever.

Curated by Arthur · Told by Maggid ·
Table of Contents
  1. Two Bloods on One Door
  2. Abraham's Noon on the Tenth Day
  3. Knives of Flint and a Hill of Dust
  4. A Shield That Travels Time
  5. Night of Doubled Red
Twofold Blood Marked the Lintels of Egypt Click for full size

Two Bloods on One Door

In Egypt the command was clear enough for a trembling hand. Take the blood of the Paschal lamb and mark the house. The midrash adds a second mark the Torah's surface does not spell out. Israel took the blood of the covenant of circumcision, the brit milah (ברית מילה), and set it on the lintels beside the lamb's blood. Two red seals. One night. One nation waiting for the destroyer to pass.

When the Holy One passed through Egypt, He saw both. Compassion rose. Ezekiel's line becomes the midrash's key. "And when I passed by thee, and saw thee weltering in thy blood, I said unto thee, In thy blood, live; yea, I said unto thee, In thy blood, live" (Ezekiel 16:6). Twofold blood. Two declarations of life. The lamb alone was not the whole shield. Covenant in the flesh stood next to covenant on the doorframe, and heaven answered with a doubled "live."

Abraham's Noon on the Tenth Day

Rabban Gamaliel hears the phrase "selfsame day" in Abraham's circumcision (Genesis 17:26) and again in the law of Yom Kippur (Leviticus 23:28). The echo is deliberate. Abraham, he teaches, was circumcised in the might of the sun at midday on the tenth day, the day later fixed as atonement. Each year the Holy One sees the blood of Abraham's circumcision and forgives Israel's sins. The altar of the Temple would one day stand where that blood had been, so that sacrificial pouring and patriarchal covenant share one ground.

"For on this day shall atonement be made for you, to cleanse you" (Leviticus 16:30). The calendar does not invent mercy from nothing. It returns, in this telling, to a cut made under noon light long before Egypt's night of blood. Passover's lintels and Kippur's judgment both lean on the same red memory.

Knives of Flint and a Hill of Dust

Wilderness years complicated the sign. Rabbi Ishmael taught that some in Israel cut the foreskin yet left the corona covered, so that they were "as though he had not been circumcised." Sinai's voice had reached a camp that still needed repair. When Joshua brought them into the land, God said to circumcise again the children of Israel a second time. Flint knives rose. Foreskins gathered until they formed a hill. Dust of the wilderness covered foreskin and blood alike.

Balaam later saw that covered dust and cried that none could rise against the merit of the blood of the covenant hidden there. "Who can count the dust of Jacob?" (Numbers 23:10). Even imperfect practice, once completed and buried under desert soil, became a defense the hired prophet could not curse past. The sign that began with Abraham and blazed on Egyptian doors still worked under grit and sand.

A Shield That Travels Time

From Ur's covenant noon to Goshen's midnight to Jordan's flint hill, blood marks the same claim. Israel belongs to a God who answers "live" twice in one verse and returns every year to a first cut. Doors in Egypt were temporary wood. The day of atonement is annual stone on the calendar. The dust Balaam feared is portable history under every later shoe that walks the land.

Children who hear only of lamb's blood miss the midrash's second stroke. Flesh and feast, patriarch and people, Kippur and Passover, sit inside one economy of red mercy. Heaven does not tire of looking at what Abraham began and what a frightened generation painted over its doors while the firstborn of Egypt died in the dark.

Night of Doubled Red

Egypt's firstborn died behind doors that lacked the marks. Inside marked houses, families ate in haste with staff in hand and blood drying on wood that would never be holy furniture, only emergency scripture. Children asked why the door wore two stains. Elders who knew only the lamb learned the midrash's second teaching in the body: covenant in the flesh and covenant in the feast had to stand together for compassion to open fully. "In thy blood, live" spoken twice is not poetic excess. It is a receipt for two offerings heaven refused to separate.

Centuries later, on the tenth day when work ceases and atonement is declared, the same red memory rises without Egypt's panic. Abraham's noon cut becomes the year's hinge. Flint knives at the Jordan and a hill covered in dust teach that the sign can be delayed, repaired, buried, and still terrify a prophet hired to curse. Balaam counted dust and found it uncountable. Israel walked past that dust into a land where lintels no longer needed lamb blood each spring in the same way, yet the doubled cry of life remained in Ezekiel's mouth for anyone who had forgotten how doors once saved them.


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From the tradition

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The texts behind this telling. Some cards carry a translation of the source; others are our own retelling of it, and each card says which. Every card links out to the original.

Pirkei DeRabbi Eliezer 29:2Pirkei DeRabbi Eliezer

Retold in our words. Read the original at the link below.Pirke de Rabbi Eliezer, trans. Rabbi Gerald Friedlander, London (1916) · CC-BY

Pirkei DeRabbi Eliezer turns to Day of Atonement of Kippur.

How do we get there? Well, Rabban Gamaliel points to the verse in (Genesis 17:26): "In the selfsame day was Abraham circumcised, and Ishmael his son." He then connects this to (Leviticus 23:28), which, in describing Yom Kippur, says, "Ye shall do no manner of work on that selfsame day, for it is a day of atonement." The repetition of "selfsame day" is no coincidence, he argues. It's a deliberate parallel, linking these two pivotal events. According to this reading, Abraham underwent circumcision in the "might of the sun at midday" specifically on the tenth day of the month, Yom Kippur.

The connection goes even deeper. Pirkei DeRabbi Eliezer suggests that the blood of Abraham's circumcision holds a powerful, ongoing significance. The text claims that every year, the Holy One, blessed be He, sees the blood of Abraham's circumcision and forgives the sins of Israel. We find echoes of this idea in (Leviticus 16:30), "For on this day shall atonement be made for you, to cleanse you." The text implies that this atonement is tied, in some mystical way, to Abraham’s act of devotion.

Where did this happen? The passage continues, noting that the very place where Abraham was circumcised, where his blood remained, is where the altar was later built. This detail further solidifies the connection between Abraham's sacrifice and the sacrificial system in the Temple. We see this reflected in (Leviticus 4:30), "And all the blood thereof shall he pour out at the base of the altar." There's a direct line drawn between the blood of the covenant and the blood offered for atonement.

Finally, the passage quotes (Ezekiel 16:6): "I said unto thee, In thy blood, live; yea, I said unto thee, In thy blood, live." This powerful verse, spoken by God, reinforces the life-giving, redemptive power associated with blood, particularly in the context of covenant and sacrifice.

So, what does it all mean? Pirkei DeRabbi Eliezer invites us to consider the profound connections between historical events, divine decrees, and the ongoing relationship between God and the Jewish people. It suggests that Abraham's act of circumcision, performed on Yom Kippur, continues to resonate, its effects rippling through time to offer atonement and renewal each year. It’s a potent reminder that the stories we tell are not just historical accounts, but living narratives that shape our understanding of ourselves and our place in the world.

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Pirkei DeRabbi Eliezer 29:15Pirkei DeRabbi Eliezer

Retold in our words. Read the original at the link below.Pirke de Rabbi Eliezer, trans. Rabbi Gerald Friedlander, London (1916) · CC-BY

The familiar version gives us it's a fundamental ritual in Judaism, a sign of the covenant between God and Abraham. But what about the times when it wasn't done quite. The Pirkei DeRabbi Eliezer, a fascinating early medieval text, dives into just that. Rabbi Ishmael raises a pointed question: Could those who were uncircumcised have truly heard God's voice at Mount Sinai? "I am the Lord thy God" (Exodus 20:2) – these are powerful words! Rabbi Ishmael clarifies that, while the Israelites were circumcised, it wasn't always performed correctly. They'd cut off the foreskin, sure, but they hadn't uncovered the corona – the head of the penis. And according to this teaching, that makes all the difference! If the corona isn't uncovered, it's "as though he had not been circumcised." Hence the verse, "Israel was not circumcised of old."

This brings us to the story of Joshua, entering the Promised Land. God speaks to him, as the Pirkei DeRabbi Eliezer recounts, essentially saying, "Joshua! You know they're not properly circumcised. " (Joshua 5:2) So, what does Joshua do? He circumcises them again. The verse reads, "The Lord said unto Joshua, Make thee knives of flint, and circumcise again the children of Israel a second time." Can you imagine the scene?

It gets even more vivid. "And Joshua made him knives of flint," (Joshua 5:3) and gathered all the foreskins until they formed a massive hill! The text says, "And he circumcised the children of Israel at the hill of the foreskins." A hill of foreskins!

What happened to all that…evidence? Well, according to this tradition, the Israelites took the foreskin and the blood and covered them with the dust of the wilderness. Then, along comes Balaam, the famous (or infamous) prophet. He sees this vast wilderness filled with the discarded foreskins of the Israelites, and he's struck by the power of the blood of the covenant, even when hidden by dust. He exclaims, "Who will be able to arise by the merit of the blood of the covenant of this circumcision, which is covered by the dust? as it is said, "Who can count the dust of Jacob?" (Numbers 23:10).

So, what are we to make of all this? On the surface, it’s a story about ritual correctness and the importance of following God's commands to the letter. But perhaps it’s also about the enduring power of the covenant, even when imperfectly observed. Even hidden under the dust, the merit of that ancient agreement can still protect and uplift. Are we always performing them "correctly"? And even if we're not, is there still a spark of the sacred within them?

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