Surely everyones head is filled with ongoing dialogues between differing viewpoints, never met a one pointed totally consistent human being yet.
Also remember the god spot, evolutinary speaking there is obviously a value there, unless it's purely a random event to be avoided.
Certainly Temporas still small voice I can relate to. Conscience comes from the same spot for me.
Surely voices are only a worry when they suggest destructive urges, or more importantly if we perceive those voices as 'other' or special messages no?