Deuteronomy

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Deuteronomy is the fifth and final book of the Torah, framed as a sequence of speeches delivered by Moses to Israel on the plains of Moab, in sight of a land he has been told he will not enter. Its Greek name means “second law” — a rendering of the Hebrew phrase for “a copy of this law,” taken to mean a repetition — because much of the book restates, and revises, legislation given earlier in the Pentateuch. The Hebrew tradition calls it Devarim, “words,” after its opening line.

The book reads as a long valediction. Moses recounts the wilderness years, restates the Ten Commandments, and then sets out an extended body of law before pronouncing blessings and curses on a people about to choose between them. At its center stands the passage Jewish tradition came to call the Shema — “Hear, O Israel: the LORD our God, the LORD is one” — followed by the command to love God with the whole heart, soul, and strength. That verse became the daily confession of Judaism and is among the most recited lines in the religion; its words are placed in the tefillin worn at prayer and in the mezuzah fixed to the doorpost, as the text itself directs.

What distinguishes Deuteronomy is its insistence on a single sanctuary and a single covenant, written as a binding agreement between God and the nation. The form is striking: scholars have long noted that the book’s structure — historical preamble, stipulations, witnesses, blessings and curses — closely follows the shape of ancient Near Eastern treaties between a sovereign and a vassal, with God in the place of the great king. The covenant idea that runs through later Judaism and Christianity owes much of its legal vocabulary to this book.

Critical scholarship has placed Deuteronomy at the heart of how the Hebrew Bible was assembled. A long-standing reconstruction identifies it, in some early form, with the “book of the law” said to have been found in the Temple during the reign of King Josiah in the late seventh century BCE, and credits its theology with shaping the historical books that follow — Joshua through Kings — read as a single “Deuteronomistic” account of Israel judged by its fidelity to this law. The dating and the details remain debated, but the book’s influence on the canon’s final shape is not.

In Jewish practice Deuteronomy is read in the annual cycle of Torah portions and closes it: the yearly reading ends with Moses’s death and turns immediately back to Genesis, so that the Torah never finishes. Its commands and its rhetoric of love and choice run forward into rabbinic Judaism and, by way of the Gospels’ citation of the great commandment, into Christianity as well — the same words carried into two traditions that read them differently.

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