The arrangement of his wholesale warehouse, so that it might be always ready to meet the demands of retail dealers⁠—history here, geography there, astronomy to the right, political economy to the left⁠—natural history, the physical sciences, figures, music, the lower mathematics, and whatnot, all in their several places⁠—this care had imparted to his countenance a look of care; while the habit of questioning and being questioned had given him a suspicious manner, or a manner that would be better described as one of lying in wait. There was a kind of settled trouble in the face. It was the face belonging to a naturally slow or inattentive intellect that had toiled hard to get what it had won, and that had to hold it now that it was gotten. He always seemed to be uneasy lest anything should be missing from his mental warehouse, and taking stock to assure himself.