In 1935, he insisted that the opera The Silent Woman, the libretto written by the Jewish playwright Stefan Zweig, be performed, shocking Goebbels, Goring and Hitler with his clearly expressed anti-racism.

• 1935年，他坚持上演由犹太裔作家茨威格写作脚本的歌剧《沉默的女人》，明确表达了对种族主义的反抗，惊动了戈培尔、戈林和希特勒。