In chapter twelve of The Fundamentals of Ethics, Russ Shafer-Landau argues that the principle of humanity is based on the questionable assumption that we, humans, are autonomous and that all humans believe this to be true, when it is indeed false. His argument states that all the choices we make can eventually be traced to have a cause or causes beyond our control or that all of the choices we make are completely random because nothing causes us to do so, and because our actions are dictated by either