Wilkie Collins,
The Legacy of Cain — XLV. The Fatal Portrait…
(1889)
“ Gracedieu took out the key and threw it through the open window, into the garden below.Turning back into the room, he laid the folded sheet of paper on the table. That done, he spoke to me.“I distrust my own weakness,” he said. “A dreadful necessity confronts me—I might shrink from the horrid idea, and, if I could open the door, might try to get away. Escape is impossible now. We are prisoners together. But don’t suppose that we are alone. There is a third person present, who will judge between you and me. Look there!”He pointed solemnly to the portrait of his wife. ”
