"The Diary of a Madman is in a sense the key to Tolstoy's work. If it had not been written by Tolstoy himself, we should certainly have looked upon it as a calumny, since we are accustomed to look upon great men as the incarnation of all the civil and even the military virtues. p. 87"
January 1, 1970
https://en.wikiquote.org/wiki/Lev_Shestov