In depression this faith in deliverance, in ultimate restoration, is absent. The pain is unrelenting, and what makes the condition intolerable is the foreknowledge that no remedy will come—not in a day, an hour, a month, or a minute.... And this results in a striking experience—one which I have called, borrowing military terminology, the situation of the walking wounded.

Darkness Visible: A Memoir of Madness (1990)