In this passage, Manny is realizing that rituals and objects associated with New York City—occupying a taxi, large bills—give him power. In imbuing New York concepts with power, the novel is literalizing the idea that human beings’ thoughts, perceptions, beliefs, and myths shape the world they experience. As a “talisman” is a magical object, Manny is suggesting that having money essentially gives you magical powers in New York City.