Israel Abrahams, 1911 Encyclopædia Britannica, Volume 16… (1911)
“ He was a precocious child, but, as Graetz points out, his lack of stable character prevented his gifts from maturing. “He pursued all sorts of occupations to support himself, viz. those of preacher, teacher of Jews and Christians, reader of prayers, interpreter, writer, proof-reader, bookseller, broker, merchant, rabbi, musician, matchmaker and manufacturer of amulets.” ”
