Wen 1990, 107쪽 harvnb 오류: 대상 없음: CITEREFWen1990 (도움말); the quote is Wen's translation from the work of Richard Heuberger, Erinnerungen an Johannes Brahms, Tutzing, 1971, p. 93. According to Heuberger, Brahms' original statement in German was: "ein Wunderwerk der Kunst und voll genialer Einfälle".