Tell Tell Heart: use of POV

Tell Tell Heart : Use of Point of View There is a belief that the eyes are windows to the soul. But to some, the soul resides in the heart. In Edgar Allen Poe's "The Tell Tell Heart," he also links these two body parts. The story opens with this unnamed narrator telling of how he will kill the old man because-well the reason he gives-he dislikes his "Evil Eye" yet, in the end it is …

…not like history because one cannot obtain a primary source where the biasness is scarce; stories are bias by the nature thus controlling and limiting the understanding of a reader. Does one ever stop to think that sometimes stories concentrate on only part of the problems in the world by direction and control of the point of view because it cannot provide an answer for all of them? Or protecting us from understanding too much?