Sherlock Holmes sat silent for a few minutes with his fingertips still pressed together, his legs stretched out in front of him, and his gaze directed upward to the ceiling. Then he took down from the rack the old and oily clay pipe, which was to him as a counsellor, and, having lit it, he leaned back in his chair, with the thick blue cloud-wreaths spinning up from him, and a look of infinite languor in his face.