This quote from Jay McInerney's Bright Lights, Big City encapsulates a compelling depiction of youthful exuberance entwined with a restless quest for enjoyment and fulfillment within the urban landscape of New York City. The protagonist, Tad, embarks on a mission that is both simple and profound: to maximize fun above all else. There is an undeniable charm in this ambition, reflecting a slice of human nature that seeks pleasure and vitality amid the endless possibilities of city life.

What strikes me most is the sense of perpetual movement underlying Tad's quest. The understanding that "there is always the likelihood that where you aren’t is more fun than where you are" reveals a restless dissatisfaction and a relentless curiosity that is as exhilarating as it is exhausting. It echoes the modern condition of often chasing after the next experience, the next moment of joy, and potentially never fully content with the present.

On a deeper level, this statement can be interpreted as a commentary on human psychology and the fear of missing out (FOMO) — a feeling amplified in vibrant, opportunity-rich places like New York City. Tad's continual moving about can be seen as a metaphor for the human tendency to seek external validation and excitement to fill an inner void or to escape monotony.

That said, McInerney’s portrayal also celebrates the energy and allure of urban life — its spontaneity, unpredictability, and ceaseless potential for adventure. It captures the youthful spirit and the exciting chaos of exploring not just a city, but life's myriad experiences. However, it invites reflection about the balance between seeking external thrills and finding contentment within oneself. The quote invites readers to ponder the nature of happiness and questions whether continuous movement and pursuit can truly deliver lasting joy.