פירוש על ברכות 42:7

In the Kaddish; see p. 8 n. 4.

Viz. Judah b. Pazzi and Simeon b. Abba; Hyman, II. p. 664a.

Lit. "the Work of the Chariot," the tbeosophical teaching about the Heavenly Chariot, derived from Ezek. i. and x. This was regarded as one of the highest forms of study upon which but a chosen few should venture, after severe mental and physical discipline. See J. E. viii. p. 498; Abelson, Jewish Mysticism, Chap. ii.