His films like Taxi Driver, Wall Street, and The Wolf of Wall Street obsessively explore the destructive psychology of ambition and the moral decay that greed inflicts on individuals and society.

Through films like The Wrestler and Black Swan, he portrays characters consumed by ambition and obsession, visualizing the psychological unraveling caused by relentless pursuit of perfection and success.

His films including Se7en, The Social Network, and Gone Girl examine ambition, power, and greed through meticulous narratives that expose the calculating nature of human desire and its consequences.