"Sefer Ye?irah" and Its Contexts: Other Jewish Voices

Sefer Yeṣirah, or "Book of Formation," is one of the most influential Jewish compositions of late antiquity. First attested to in the tenth century C.E. and attributed by some to the patriarch Abraham himself, Sefer Yeṣirah claims that the world was created by the powers of the decimal number system and the twenty—two letters of the Hebrew alphabet. This short, enigmatic treatise was considered canonical by Jewish philosophers and Kabbalists and has fascinated Western thinkers and writers a...