The only voice in your head is your ego. Anything else is a telepathically-received thought from someone else. Your conscience, your super-ego and your id are not you. Just because it sounds like you and it's in first-person perspective, that doesn't mean it's you. The only difference between the cr... View MoreThe only voice in your head is your ego. Anything else is a telepathically-received thought from someone else. Your conscience, your super-ego and your id are not you. Just because it sounds like you and it's in first-person perspective, that doesn't mean it's you. The only difference between the crazy person on the street talking to himself and you (as someone hearing a voice in their head) is the "person" of the received messages. When this *other* changes from first-person perspective to second-person then you think that you're crazy and go live with the homeless in most cases. There are good and bad *others*. Learn to differentiate helpful messages from harmful and to protect yourself.