It's part of a writer's profession, as it's part of a spy's profession, to prey on the community to which he's attached, to take away information - often in secret - and to translate that into intelligence for his masters, whether it's his readership or his spy masters. And I think that both professions are perhaps rather lonely.

John le Carré's quote draws a parallel between the roles of a writer and a spy, suggesting that both professions involve the act of gathering and utilizing information, often in secret. A writer, much like a spy, must prey on the community around them, observing and absorbing details, interactions, and stories that can be used to craft compelling narratives. This process of taking away information and translating it into something meaningful—whether for a writer's readership or a spy's masters—is a key element in both fields. For writers, the "intelligence" gathered through observation and experience feeds into their craft, while for spies, it informs national security strategies.

Le Carré also touches on the notion of loneliness that pervades both professions. Writers often work in isolation, drawing from their personal experiences and observations without direct feedback from others until their work is published. Similarly, spies operate in a solitary and secretive environment, often disconnected from the broader world due to the nature of their work. This sense of isolation is inherent in their professions, as both are driven by secrecy and the need to operate outside the conventional social structures.

The quote highlights the shared traits of secrecy, observation, and the translation of gathered intelligence into a valuable resource, whether in the form of stories or national security operations. Le Carré's background as both a writer of espionage novels and a former spy lends weight to this comparison, illustrating how deeply intertwined the processes of gathering and utilizing information are in both worlds.

Ultimately, le Carré’s reflection reveals a unique insight into the nature of both writing and espionage, emphasizing that despite their outward differences, these professions are united by their reliance on information, their often solitary nature, and their deep engagement with the world around them in ways that are not always visible to the public eye.