He sailed through the world guided only by the dim lights of impulse and habit, confident that his course would throw up no obstacles so large that they could not be plowed over with sheer force of momentum. But his instincts had failed him in the new set of circumstances presented by the murder. Now that the old trusted channel-markers had, so to speak, been rearranged in the dark, the automatic-pilot mechanism by which his psyche navigated was useless; decks awash, he floundered aimlessly, running on sandbars, veering off in all sorts of bizarre directions.
