It was a dark, starless, moonless night. The nearest habitation was five
miles. The eyes of no animal ever shine in the dark unless there is a
light by which they can be reflected, and a man’s eyes never shine under
any circumstances.
Therefore, Butler could not possibly have seen any eyes shining at him
in the dark. It was clearly murder.
And thy deep eyes, amid the gloom,
Shine like jewels in a shroud.
Longfellow.