In a message, Kafka reflects on the vulnerability that comes with writing, suggesting that it is akin to exposing oneself to the past or unresolved emotions, represented by "ghosts." This act of writing is a deep, personal revelation, revealing thoughts that have long been anticipated by these specters of one's history.
He also notes the uncertainty in communication, as the emotions poured into words may not always reach their intended recipient. Instead, he implies that the essence of these messages can be lost, much like the ghosts that are inevitably ensnared along the way, overshadowing the hope of connection.