John Stuart Mill

Eccentricity has always abounded when and where strength of character had abounded; and the amount of eccentricity in a society has generally been proportional to the amount of genius, mental vigor, and courage which it contained.

You come out of your MFA program with a cogent clutch of stories, trying to get an agent interested, and she or he admits these are quality, sure, but this agent actually needs something the publisher can make money on. So you get kind of bullied by the market into writing a novel.