 Along the way Ricoeur to this conclusion introduces a key distinction between two kinds of identity in relation to selfhood. Idem identity is the identity of something that is always the same which never changes, ipse identity is sameness across and through change. Self-identity involves both dimensions: I am and am not the person I was ten years ago. It is the existence of ipse identity that indicates that a self is better thought of in terms of the question “who?” than in terms of the question “what” is a self.