were Simeon ben Yohai the father of the Kabbalah, knowing by divine revelation the hidden meaning of the precepts, his decisions on Jewish law would have been adopted by the Talmud; but this has not been done;
were the Kabbalah a revealed doctrine, there would have been no divergence of opinion among the Kabbalists concerning the mystic interpretation of the precepts ("Bechinat ha-Dat" ed. Vienna, 1833, p. 43).
"Sefer Hekalot", describing the seven heavenly halls, paradise, and hell.
"Raya Mehemna", giving a conversation between Moses, the prophet Elijah, and Simeon ben Yohai on the allegorical import of the Mosaic commandments and prohibitions, as well as of the rabbinical injunctions.
"Sitre Torah", on various topics.
"Midrash ha-Ne'elam", explaining passages of Scripture mystically by way of hints and gematria (mystical numerology).
"Saba", containing a conversation between the prophet Elijah and Simeon ben Yohai about the doctrine of metempsychosis.
"Yanu?a", on the importance of washing the hands before meals and on similar subjects, written in the name of a child of Hamnuna Saba, whence the title "Yanu?a" (child).
"Tosefta" and "Matnitin," in which are sketched the doctrines of the Sefirot, the emanation of the primordial light, etc.