Leviticus 20:6–8

In these three tightly linked verses, God pronounces solemn judgment against Israelites who consult mediums and wizards, framing such consultation as a form of spiritual prostitution — a betrayal of the exclusive covenant bond with Yahweh. The warning is immediately followed by a positive command: "Sanctify yourselves and be holy," grounded not in human effort alone but in God's own sanctifying action. Together, the three verses form a movement from prohibition through imperative to promise: God himself is the source and guarantee of the holiness he demands.

Verse 6 — "I will set my face against that person"

The verse opens with the Hebrew phrase hapāneh 'el-ha'ōbōt wĕ'el-hayyiddĕ'ōnîm — turning to the 'ōbōt (mediums, literally "spirits of the dead" or "the ones who return") and the yiddĕ'ōnîm ("knowing ones," diviners or wizards). These were practitioners who claimed to summon the dead or access hidden knowledge through supernatural means — a category of practice strictly condemned throughout the Torah (cf. Deut 18:10–12). The prohibition here, however, is directed not at the practitioners themselves (those are addressed in Lev 20:27) but at the ordinary Israelite who seeks them out, underscoring that demand creates the sin as surely as supply.

The phrase "to play the prostitute after them" (liznôt 'aḥărêhem) is striking and deliberate. Consulting a medium is not merely a ritual infraction; it is adultery against Yahweh. The covenant between God and Israel was understood matrimonially — Yahweh was Israel's husband (cf. Hos 2:16–20; Jer 3:1). To seek knowledge, comfort, or power from occult sources is therefore to look for intimacy outside the covenant marriage bed. The gravity of the sin is commensurate with the gravity of the relationship it violates.

"I will set my face against that person" (wĕnātattî 'et-pānay bā'îš hahû') inverts the great Aaronic blessing of Numbers 6:25–26, where the face of God shining upon Israel signals favour, peace, and protection. Here the same face is turned toward the transgressor, not in benediction but in judgment. To be "cut off from among his people" (wĕhikrattî 'ōtô miqqereb 'ammô) — the penalty of karet — is the most severe divine sanction in Levitical law, implying exclusion from the covenant community, forfeiture of one's inheritance in Israel, and potentially premature death or eschatological loss.

Verse 7 — "Sanctify yourselves therefore, and be holy"

The wĕhitqaddištem ("sanctify yourselves") is a Hithpael imperative — a reflexive-intensive form — meaning Israel must actively engage in the process of becoming holy. But the ground for this command is not self-generated: "for I am Yahweh your God." Holiness is not an autonomous moral achievement; it is a response to, and participation in, the holiness of Yahweh himself. The logic is: because you belong to the Holy One, become what you are. This is the same structure found in the Sermon on the Mount: "Be perfect, as your heavenly Father is perfect" (Matt 5:48). The divine identity statement "I am Yahweh your God" grounds the moral demand in a relational reality — covenant membership precedes and enables moral conformity.

Catholic tradition uniquely illuminates these verses by holding together what modern readings often separate: the negative (prohibition) and the positive (sanctification) are not two unrelated commands but two faces of the same theological reality. The Catechism of the Catholic Church directly addresses the practices condemned in verse 6: "All forms of divination are to be rejected: recourse to Satan or demons, conjuring up the dead or other practices falsely supposed to 'unveil' the future. Consulting horoscopes, astrology, palm reading, interpretation of omens and lots, the phenomena of clairvoyance, and recourse to mediums all conceal a desire for power over time, history, and, in the last analysis, other human beings, as well as a wish to conciliate hidden powers. They contradict the honor, respect, and loving fear that we owe to God alone" (CCC 2116).

The patristic tradition is equally clear. Origen, in his Homilies on Leviticus, reads the turn to mediums as a figure of the soul that abandons the Word of God to seek wisdom from lesser, deceptive spirits — a spiritual adultery that disorders the intellect as well as the will. St. John Chrysostom treats such practices as a refusal of divine Providence — a declaration that God is insufficient, which is simultaneously an act of idolatry and an act of despair.

Theologically, verse 8's declaration that Yahweh sanctifies Israel anticipates the entire Catholic sacramental economy. The Council of Trent (Session VII, Canon I) affirmed that the sacraments are true causes of grace — that God himself, through outward signs, continues to sanctify his people. Pope Benedict XVI, in Sacramentum Caritatis (2007), described the Eucharist as the locus where Christ continues to be mĕqaddiškem — the one who sanctifies the Church from within. The Levitical grammar of divine sanctification is thus not abolished but fulfilled and intensified in the New Covenant.

Origen's typological reading sees the "mediums" as a figure of false teachers within the Church who offer counterfeit spiritual experience — a reading that resonates with magisterial warnings about pseudo-mysticism and New Age spirituality (cf. the Pontifical Council for Culture, Jesus Christ: The Bearer of the Water of Life, 2003).

Contemporary Catholics face the temptations of Leviticus 20:6 in forms their ancestors would not recognize but that are structurally identical: tarot cards treated as entertainment, astrology apps consulted for daily guidance, spiritualist podcasts, ouija boards used at parties, and therapeutic modalities that channel "spirit guides." The CCC (2116–2117) does not distinguish between sincere occult practice and "merely cultural" participation — both constitute the same disordered seeking of knowledge and power outside God. A practical examination of conscience for today: Do I consult any source for guidance, comfort, or knowledge about the future that bypasses prayer, Scripture, the sacraments, or prudent human counsel? The antidote is not simply abstention but the replacement prescribed in verses 7–8: actively cooperating with God's ongoing work of sanctification through regular confession, Eucharistic reception, Lectio Divina, and submission to Church teaching. Holiness, the text insists, is not a romantic ideal but a daily, statute-keeping, grace-receiving practice. God does not call us to be holy and then leave us to manage it ourselves — he is, right now, the one sanctifying us.