No matter how determined you are, it’s hard not to be influenced by the people around you. It’s not so much that you do whatever a city expects of you, but that you get discouraged when no one around you cares about the same things you do.
There’s an imbalance between encouragement and discouragement like that between gaining and losing money. Most people overvalue negative amounts of money: they’ll work much harder to avoid losing a dollar than to gain one. Similarly, though there are plenty of people strong enough to resist doing something just because that’s what one is supposed to do where they happen to be, there are few strong enough to keep working on something no one around them cares about.