against the irrepressible clip-clops below , the many cities parade before him , each at first a welcome , each in the end an unwelcome : rome , genoa , turin , savona , noli , venice , milan , chambery , lyons , geneva , toulouse , paris , london , oxford , marburg , wittenberg , prague , frankfurt , where his traitor-to-be , giovanni mocenigo , finally reached him with his invitation to return to venice , offering him both work and protection , which brunohomesick by now , and weary of constant flightcould not resist .