He acquired the second volume of a 15th-century illuminated manuscript of Jewish laws, the Mishneh Torah. (The first volume had already been taken by the Vatican.) And he kept buying tzedakah boxes.

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While Reform and Orthodox rabbis agree on almost nothing relating to Jewish laws and practices, since the emergence of Jews for Jesus in the 1970s, Reform, Conservative and Orthodox rabbis have been unified in their rejection of the Christian missionary group's protestations of being Jewish.

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Israel originally adopted hummus as its unofficial national dish because it suited Jewish Kashrut laws -- religious rules that deal with eating and food preparation.

BBC: Hunting for hummus in Israel

Jewish dietary laws also ban the consumption of horse meat.

CNN: STORY HIGHLIGHTS

Jewish dietary laws also ban the eating of horse meat.

CNN: French investigate source of horse meat labeled as beef

Nearly 70% of Jews attend a Seder, compared to the 25% who pray regularly at a synagogue or observe dietary laws in their homes, according to the Jewish Federations of North America.

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