Nothing worthwhile comes easy

Bill the Boy Wonder: The Secret Co-Creator of Batman was rejected 34 times over three years, then helped correct a high-profile cultural injustice.
Batman & Bill (2017) was the third attempt at making a documentary about Bill Finger. The first two attempts (2008 and 2011) failed.
Convincing New York City to honor Bill Finger took more than five years.
Don’t give up.