" It’s a time when men and women come to know what they truly are. A time of purging.” I’d been looking at the ceiling as he spoke. At his final words, I turned to face him in surprise. “Is that what the Catholics mean by purgatory?” “In essence.” He nodded. “A period during which each soul is cleansed by a self-imposed recognition of past deeds—and misdeeds. "

― Richard Matheson , What Dreams May Come