Katavasov was very fond of talking about philosophy, having a conception of it which he had acquired from naturalists who had never studied it, and in Moscow Levin had latterly had many disputes with him.
A Katavasov le gustaba mucho hablar de filosofía, aunque la comprendía mal, como un especialista de ciencias naturales que era que nunca estudiaba filosofía. Durante su estancia en Moscú, Levin había discutido mucho con él sobre estas cuestiones.