The question of personal identity is very intuitive, but very difficult to define. Essentially, what makes you, you? John Locke was a philosopher who attempted to answer this question. He proposed a psychological theory to define personal identity. His theory has some merit, but it is not a correct definition of personal identity, since there are some counterexamples that cannot be accounted for. My argument will demonstrate that Locke's theory of personal identity is false. Locke's theory states that A is equal to B if and only if B remembers at T2 something done or experienced by A at T1. He often uses the word “consciousness” to explain his theory, saying that one can remember a past conscious state and connect it to his current conscious state (Locke 367). I am currently aware of my introspective experience last Christmas, so I am the same person I was last Christmas, which is correct. Memories are also very personal, so they belong exclusively to the person who owns them. Although two people may share a similar memory, they do not have the same one...