Enlightenment discourse was purposeful gossip and indissolubly connected with the Parisian salons. Here he met Count Gustaf Fredrik Gyllenborg, with whom his name is indissolubly connected. He considered such modes to be irreducible to each other and yet indissolubly linked. Levi's name is indissolubly connected with the increased public appreciation of Wagner's music. His name will ever be indissolubly associated with that of Bevis Marks Synagogue.