Long, long before Freud, the Jews had this saying: “When a son gets married, he divorces his mother. - Leo Rosten

To be sure, the cheder curriculum was narrowly limited, the pedagogical methods primitive: drill, repetition, and cracks across the knuckles with a pointer or ruler. But at a time when the overwhelming majority of humanity was illiterate, there was hardly a Jewish male over the age of five who could not read and write. The cultural impact and importance of this are for historians, sociologists, and educators to appraise.

It has been said that the basic principle of Jewish ethics lies in the idea of mandatory mitzvas. Said Eleazar ben Simeon: “The world is judged by the majority of its people [and] an individual by the majority of his deeds. Happy is he who performs a good deed: that may tip the scale for him and the world [italics mine].” Israel Zangwill called the mitzvas the Jews’ “sacred sociology.

In the Middle Ages, church and secular powers often forbade Jews to trim their beards in any way. Why? To be certain that a Jew could be identified.