Why must a Jew adhere to all 13 principles of faith? How do we

>>1398719

Google "kariates" and "Samaritans".

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7KB, 275x275px

>>1398719
Moses obviously didn't receive the entire Tanakh nor was he likely to have "received" the Torah (see JEDP textual criticism).

>adhere to all 13 principles of faith
The Articles of Faith come from 12th-century Rabbi Maimonides and while they are based on Scripture, they are not specifically outlined in the Torah or Tanahk. They are beliefs (like the Nicaean Creed) and not explicit instructions for rules of conduct (with the possible exxception of number 5, Prayer is to God only)

Have a Blessed Day

>>1398719
book says so