" shelter what is precious, to yield what is valuable, and to dispose of what is harmful. Shelter (memories, precious matter, messages, fragile lives). Yield (information, wealth, metaphors, minerals, visions). Dispose (waste, trauma, poison, secrets). Into the underland we have long placed that which we fear and wish to lose, and that which we love and wish to save. I Descending "

― Robert Macfarlane , Underland: A Deep Time Journey