What Does the Torah Say About Marriage: Judaism, Christianity & Islam Compared

In Jewish tradition, the Torah treats marriage — kiddushin — as one of life's most fundamental obligations. The rabbinical consensus, articulated by Maimonides in the 12th century Mishneh Torah, holds that a man is obligated to marry and to be fruitful. The Torah's narrative itself opens with the creation of a companion for Adam, establishing partnership as part of the divine order. Abraham's servant swears by God that Isaac will not take a wife from the Canaanites Genesis 24:3, illustrating how seriously the Torah treats the choice of a spouse as a covenantal, not merely personal, matter.

The Torah also legislates strict boundaries around marital fidelity. Adultery is explicitly prohibited in the Decalogue: "Thou shalt not commit adultery" Exodus 20:14, and Deuteronomy reinforces this with capital penalties for those found violating a married woman Deuteronomy 22:22. These laws signal that marriage in the Torah is not simply a social contract but a sacred bond protected by divine law. The prohibition on intermarriage with certain Canaanite peoples Deuteronomy 7:3 was interpreted by later rabbinic authorities, including Rashi (11th century), as rooted in the danger of religious assimilation rather than ethnic exclusivity.

Deuteronomy also poignantly illustrates the tragedy of a violated marriage covenant when it lists, among covenant curses, that a man might betroth a wife only to have another man lie with her Deuteronomy 28:30. This framing shows that a secure, faithful marriage was understood as a divine blessing, and its disruption a sign of divine judgment. There's genuine scholarly debate — scholars like David Instone-Brewer have explored this extensively — about the Torah's divorce provisions in Deuteronomy 24, which acknowledge marital breakdown while not celebrating it.

Christianity inherited the Torah's high view of marriage and its condemnation of adultery Deuteronomy 5:18, but reframed both through the lens of Christ and the New Testament. The author of Hebrews declares plainly that "Marriage is honourable in all, and the bed undefiled" Hebrews 13:4, affirming the goodness of the marital union against any tendency toward asceticism. This was a pointed statement in a Greco-Roman world where some philosophical schools denigrated bodily life.

At the same time, Paul's first letter to Timothy warns against those who would forbid marriage altogether 1 Timothy 4:3, suggesting that early Christianity had to fight on two fronts: against sexual license on one side and against a false spirituality that rejected marriage on the other. Augustine of Hippo (354–430 AD) and later Thomas Aquinas both affirmed marriage as a sacrament, though they also honored celibacy as a higher calling — a tension that has never fully resolved within Christian theology.

On the question of interfaith marriage, Christianity largely moved away from the Torah's ethnic-boundary framework Deuteronomy 7:3, replacing it with a spiritual criterion: believers should marry "in the Lord" (1 Corinthians 7:39). The prohibition on adultery from the Decalogue Exodus 20:14 was not only retained but intensified by Jesus in the Sermon on the Mount, where even lustful intent was condemned. Most Protestant scholars today, including N.T. Wright, emphasize that the New Testament upholds the Torah's moral core on marriage while relativizing its ceremonial and ethnic dimensions.

Islam shares the Torah's foundational conviction that marriage is a divinely ordained institution and that adultery is a grave sin. The Quran (Surah 17:32) prohibits adultery in terms that echo the Decalogue's command Exodus 20:14, and classical scholars like Ibn Qudama (12th century) classified marriage as wajib — obligatory — for those with the means and desire. The Prophet Muhammad's well-known hadith, "Marriage is half of faith," reflects a tradition that sees the marital bond as spiritually formative, not merely socially useful.

Where Islam diverges from the Torah's specific restrictions is on the question of interfaith marriage. While the Torah prohibits marriage with certain Canaanite peoples Deuteronomy 7:3, Islamic law (fiqh) permits Muslim men to marry Jewish or Christian women (People of the Book), though it generally prohibits Muslim women from marrying non-Muslim men. This reflects a different logic than the Torah's concern about Canaanite religious practices, though the underlying worry about religious integrity is comparable Genesis 24:3.

Islam also takes a notably different position from the Torah's implicit condemnation of celibacy. Whereas Jeremiah was commanded not to marry as a prophetic sign specific to his mission Jeremiah 16:2, Islam does not elevate celibacy as a spiritual ideal — quite the opposite. The tradition actively discourages permanent celibacy, viewing marriage as the normative prophetic path. On fidelity, Islamic law prescribes severe penalties for adultery, aligning with the Torah's gravity on the matter Deuteronomy 22:22, though the evidentiary standards are extremely high in classical jurisprudence.