Time is a corrosive fluid, dissolving motivation, destroying novelty, and leaching the joy from life. But forgetting is a fraught process, one that is prone to transcription errors and personality flaws. Delete the wrong pattern, and you can end up becoming someone else. Memories exhibit dependencies, and their management is one of the highest medical art forms.

Chapter 2, Experiment (p. 22) - Glasshouse (2006)