At the heart of so many spiritual and religious traditions is the act of letting go, be it through the absolution of sins, through detachment from the material world and society, through forgiveness. The writer Haruki Murakami says, “No matter how much time passes, no matter what takes place in the interim, there are some things we can never assign to oblivion, memories we can never rub away. They remain with us forever, like a touchstone.” What do we make of those moments that stay with us, no matter how hard we try to shake them?