Rabbi Moshe Hayim Luzzatto [1707-1746 (also known as RaMHaL or RaMCHaL)] is one of the greatest and most respected Jewish thinkers. This essay is focused on less stressed (and even suppressed) but all the more controversial (and interesting) aspects of his personality and work: His very original and unique course of the mystical musings, his relationship to the Sabbatian movement, his eschatological fervor and messianic self-awareness (the revelations of so-called maggid included).