In the case of Mann and his diaries, what strikes one most is that he obviously felt that absolutely everything that happened to him was worthy of being recorded. . . . [The diaries] give the impression that Mann was thinking ahead to a studious future which would exclaim after each entry: ‘Good heavens, so that was the day when the Great Man wrote such and such a page of The Holy Sinner and then, the following night, read some verses by Heine, that is so revealing!’