He moved a little on purpose and muttered something aloud that he might not have the appearance of hiding, then rang a third time, but quietly, soberly, and without impatience, Recalling it afterwards, that moment stood out in his mind vividly, distinctly, for ever; he could not make out how he had had such cunning, for his mind was as it were clouded at moments and he was almost unconscious of his body....

An instant later he heard the latch unfastened..