Exodus 4:24–26

In one of Scripture's most enigmatic episodes, God moves to kill Moses at a desert lodging place — apparently because Moses' son had not been circumcised, the sign of the Abrahamic covenant. Zipporah, Moses' Midianite wife, acts with startling urgency: she circumcises the boy herself with a flint knife, touches Moses' feet with the foreskin, and declares him "a bridegroom of blood." The act averts divine wrath and seals covenant belonging. Though brief and cryptic, the passage is a pivotal hinge in the Exodus narrative, revealing that even the deliverer of Israel must himself be under the sign of God's covenant before he can deliver others.

Verse 24 — "Yahweh met him and sought to kill him"

The abruptness of this verse is deliberate and shocking. Moses has just received the most momentous commission in Israel's history (Exod 3–4:23): he is to stand before Pharaoh and demand the release of God's firstborn son, Israel. Yet before he can confront Egypt, God Himself blocks Moses' path and threatens his life. The Hebrew verb "met" (wayyipgəšēhû) carries a sense of sudden, hostile encounter — the same root used of dangerous nighttime confrontations (cf. Gen 32:1). The divine actor here is the covenant God, Yahweh, whose personal name has just been revealed (Exod 3:14–15). His purpose is terrifyingly simple: Moses must die.

The most natural reading, sustained by virtually all patristic and rabbinic exegetes, is that God's threat is directed specifically at Moses because his son had not been circumcised (cf. Gen 17:14: the uncircumcised male "shall be cut off from his people" — the penalty is death or excommunication from the covenant). Moses, called to deliver God's covenant people, had himself failed to initiate his own son into that covenant. The man who would demand the release of God's "firstborn son" Israel (Exod 4:22–23) had not brought his own firstborn son under the sign of covenant belonging. The irony is crushing and intentional.

The identity of the one threatened — Moses or the son — has been disputed since antiquity (Origen and the Alexandrian tradition tended to read it as Moses; some rabbinic sources suggest the son). The narrative logic, however, points to Moses: Zipporah's act appeases divine wrath directed at him, and her words are addressed to Moses ("you are a bridegroom of blood to me"). There may also be a secondary layer of ambiguity in the Hebrew pronoun, which the sacred author may have left deliberately obscure to heighten the scene's dreamlike, numinous terror.

Verse 25 — Zipporah's action: "She took a flint and cut off her son's foreskin"

Zipporah acts without hesitation. She is not an Israelite but a daughter of Jethro the Midianite priest (Exod 2:16–21), yet she understands precisely what is required. The instrument — a flint knife (tsōr) — is archaic and deliberately so; Joshua 5:2–3 also uses flint knives for the circumcision at Gilgal, suggesting that ritual conservatism preserves a technology older than bronze or iron. This is not incidental detail; it links this intimate, desperate act to the formal rite of covenant entry, signaling that what Zipporah performs is the real, covenantal circumcision, not a pale substitute.

She then "cast" or "touched" the foreskin "at his feet" (the Hebrew higgî'â lĕraglāyw). "Feet" is a common Hebrew euphemism, and the exact gesture remains mysterious — is she touching it to Moses' feet? To the divine messenger's? The gesture's ambiguity is part of its power. It is a boundary act: blood is brought into contact with the one under threat, warding off death through blood-covenant logic.

Catholic tradition illuminates this passage at several interlocking levels.

Covenant and its demands. The Catechism teaches that circumcision was the sign of Abraham's covenant and of Israel's election (CCC 527), and that it prefigures Christian Baptism (CCC 527, 1150). In this light, God's assault on Moses is not arbitrary rage but a revelation of the covenant's absolute seriousness: membership in God's redemptive plan demands real, embodied belonging, sealed in blood. No one stands before God as a mediator who has not first submitted to the covenant's terms himself. This is why the Church insists that the sacraments are necessary, not optional accessories to faith — grace is mediated through real, physical signs.

The "bridegroom of blood" as christological type. St. Gregory of Nyssa (Life of Moses II.24) explicitly draws the line from this passage to the Incarnate Word: the divine Bridegroom who weds humanity through the blood of the Cross. The Latin Fathers, including Tertullian (Against Marcion II.27), used this passage to demonstrate that the God of the Old Testament is the same as the God of the New — the one who demands and also provides the covenant blood. The apparent divine "violence" here anticipates the logic of atonement: God's holiness and justice require satisfaction, which comes through blood.

The role of an "outsider" woman. Zipporah is a Midianite, yet she perceives what Israel's mediator has neglected. Origen notes that she represents the Gentile Church, which will respond with urgent faith when Israel's leaders hesitate. Her prompt, unilateral action to save Moses through the rite of covenant parallels how, in Catholic teaching, the Church acts as the indispensable mediator of sacramental grace — she "cuts" into human life with the knife of the Word and the water of Baptism to bring God's children into covenant safety (CCC 774–776).

Sacramental realism. Pope Benedict XVI, in Jesus of Nazareth (Vol. I), noted that Old Testament ritual acts are never "merely symbolic" — they carry real ontological weight. Zipporah's act with the flint — physical, bloody, immediate — underscores that God's covenant was never an affair of the inner life alone. Catholic sacramental theology, rooted in the Incarnation, insists that grace comes through matter: water, oil, bread, wine, the laying on of hands. The flint knife anticipates all of these.

This passage confronts the contemporary Catholic with a searching question: Am I willing to be a "bridegroom of blood"? Moses had set out to do God's work — to confront Pharaoh, to liberate a nation — while neglecting a foundational covenant obligation in his own household. It is possible to be called, gifted, and deployed by God while harboring a private area of disobedience. God stopped Moses before He could use him.

For parents, this is a direct word: the faith of our children is our responsibility before it is anyone else's. Moses could not plead the busyness of his mission as an excuse for his son's covenant status. Catholic parents who delay or neglect their children's baptism, first sacraments, or ongoing formation — often out of good intentions, social pressures, or spiritual negligence — should hear in this passage a divine urgency.

For all Catholics, the passage asks: Are you yourself fully under the sign of the covenant? Baptism and Confirmation are not childhood formalities to be left behind. They are living, demanding realities. Just as circumcision obligated the Israelite to the whole Torah, our sacramental initiation binds us to the entirety of the Christian life. God cannot fully use a person who has made private peace with a known, uncorrected failure in their covenant commitment. Zipporah's bold, costly action — and God's immediate release of Moses — invites us to name what is uncircumcised in our own hearts, and act.