"Work, as he practised it, was quite a remarkable procedure with Strauss. Nothing of the daemonic, nothing of the artist’s mad exaltation, nothing of those depressions and desperations we know from accounts of Beethoven and Wagner. Strauss works to the point and composes like Johann Sebastian Bach, like all those sublime craftsmen of their art, quietly and systematically. At nine in the morning he sits down to resume his work just where he left off the day before, always writing the first sketch of his composition in pencil, the piano score in ink, and continues thus without pause until twelve or one o’clock. In the afternoon he plays Skat, a German card game, transfers two or three pages to the final score and possibly conducts an opera in the evening. He does not know what nervousness is, by day and night his artistic mind is equally alert and lucid. When his valet knocks on the door to bring his evening clothes, he gets up from his work, dresses, rides to the theatre and conducts with the same assurance and calm with which he plays Skat in the afternoon, and the next morning inspiration again falls into its proper place."
January 1, 1970
https://en.wikiquote.org/wiki/Richard_Strauss