Synthesized answer
The provided passages do not contain the answer to what the central thesis of the text is. The passages only include the title of the work and author.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Dostoyevsky. Notes From Underground / White Nights / The Dream of a Ridiculous Man / Selections from The House of the Dead by Фёдор Михайлович Достоевский