Third, he must have sincerity.
Dickens had all three of these qualities.

Thackeray had not much to say; he had a great deal of art in saying it, but he had not enough sincerity.

Dostoevsky possessed all three requisites.

Nekrasoff knew well how to express himself, but he did not possess the first quality; he forced himself to say something--whatever would catch the public at the moment, of which he was a very keen judge, as he wrote to suit the popular taste, believing not at all in what he said.

He had none of the third requisite." [28] A verst is about two-thirds of a mile.
[29] The player on the Little Russian twelve-stringed guitar, the Kobza, literally translated.
[30] I saw him, a majestic old man, surrounded by an adoring throng of students and young men, at one of the requiem services for M.E.
Saltykoff (Shtchedrin), in the Kazan Cathedral, St.Petersburg, in April, 1889..