I assume you mean in regards to entrepreneurship? How about Pursuit of Happyness in the drop in center where he's fixing the last X-Ray machine in the middle o

I assume you mean in regards to entrepreneurship? How about Pursuit of Happyness in the drop in center where he's fixing the last X-Ray machine in the middle of the night, long after the last light inside has automatically switched off. (sorry for the bad description, haven't watched it in ages). It really shows the tenacity he had to become successful.