By my read, neither of those are ever converted into currency. I'm reminded of Simon & Garfunkel's "The Boxer": I am just a poor boy Though my story's

By my read, neither of those are ever converted into currency. I'm reminded of Simon & Garfunkel's "The Boxer": I am just a poor boy Though my story's seldom told I have squandered my resistance For a pocketful of mumbles Such are promises