Like his father, he wrote a number of commentaries on the Bible, basing himself on the literal meaning of the text. His surviving works include commentaries on the books of
Proverbs,
Job,
Ezra, and
Nehemiah. He also wrote a book of essays on
Hebrew grammar, known, after the first three words, as , or briefly as . In it he described the underlying principles of his commentaries, combined with tangential discussions of
medieval philosophy. This handbook was of great historical importance as in the first half of the 16th century it became the favourite manual for the study of Hebrew among non-Judaic scholars. ==References==