I was cautious in what I said before the young lady; for I could not be sure that she was sane; and, in fact, there was a certain restless brilliancy about her eyes that half led me to imagine she was not.
In Edgar Allan Poe's "The System of Doctor Tarr and Professor Fether," the narrator expresses his wariness while conversing with a young woman, suspecting her mental soundness. The narrator's observations suggest an unsettling brilliance in her eyes, hinting at her potential instability or madness. This describes a tension in their interaction, as he navigates the uncertainty of her state of mind.
The narrator's cautious demeanor reflects a broader theme of how...