William Styron's memoir, "Darkness Visible," delves into the profound nature of depression, describing it as a deeply intense and mysterious disorder of mood. He illustrates how its pain can be elusive, making it difficult for individuals to grasp and articulate their own experiences. The struggle to understand depression can be overwhelming, particularly for those who have not faced its severe manifestations.

The author emphasizes that the complexities of depression render it almost indescribable, creating a barrier between those who suffer from it and those who do not. This lack of comprehension often leads to a sense of isolation for those grappling with the disorder, underscoring the importance of empathy and awareness for mental health struggles.