  Another objection is based precisely on the link between identity and ethics: how can identity – sameness – be based  on a relation (consciousness) that changes from moment to moment? A  person would never remain the same from one moment to the next,  “and as the right and justice of reward and punishment are  founded on personal identity, no man could be responsible for his  actions” (Ibid., 117). But such an implication must be absurd. And Butler concurs, expanding the point to include  considerations of prudential concern: