A man claims that a disease had sharpened his senses and that he isn't mad. He was seized with a desire to kill an old man. The man hadn't wronged him in any way, nor was material gain his motive. It was the old man's eye—pale blue with a film over it—that drove him to act.
Read The Tell-Tale Heart.
Stationery is the name given to materials needed for written and print communications, especially in businesses, companies, and organizations. Office supplies such as letterheads, envelopes, pens and pencils, notepads, etc.