Ritual, OCD, and self-identity.  “We believe that deep down, there is some kind of solid, stable bedrock to our identity, some unshakable foundation that provides us with the capacity to control significant portions of our experience: to be who we really are, to be true to ourselves.  … But that worldview isn’t true. It isn’t possible to keep ourselves together, because we aren’t one coherent thing. Instead, we are a kind of flux, a series of patterns and surprises, inextricably interwoven into the larger field of phenomena that we call reality.” Doesn’t this fit with Hume’s “bundle of perceptions”?