(Jewish Group) Jewish denominations: A brief guide for the perplexed

As a scholar of modern Jewish history, religion and politics, I am often asked to explain the differences between Judaism’s major denominations. Here is a very brief overview:

Rabbinic roots
Two thousand years ago, Jews were divided between competing sects all based on the Jewish scriptures, but with different interpretations. After the Romans destroyed the Jerusalem Temple in 70 C.E., one main group, who called themselves “rabbis” – sages or teachers – began to dominate. What we now know as “Judaism” grew out of this group, technically called “Rabbinic Judaism.”

Rabbinic Judaism believed that God gave Jewish teachings and scriptures to Moses at Mt. Sinai, but that they came in two parts: the “written law” or “written Torah” and the “oral law” or “oral Torah.” The oral Torah is a vast body of interpretations that expands upon the written Torah and is the source for most of the rules and theology of Rabbinic Judaism.

Fearful that these traditions might be lost, the early rabbis began the process of writing them down, culminating in two texts called the Mishna and the Talmud. This corpus became the foundation of rabbinic literature.

The rabbis assured the Jews that although the temple’s destruction was devastating, Jews could continue to serve God through study, prayer and observing God’s commandments, called “mitzvot.” Someday, they promised, God would send the Messiah, a descendant of King David who would rebuild the temple and return the exiled Jews to the land of Israel.

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