As a man, he was secretive, solitary, irritable, proud of his own achievements (more as a theorist than as a composer), brusque with those who contradicted him, and quick to anger.
Inimesena oli ta salatsev, üksik, närviline, enda saavutuste üle uhke (rohkem teooria alal kui heliloojana), järsk oma vastastega ja kergesti ärrituv.