Too constantly, when reviewing his own efforts for improvement, a man has reason to say (indignantly, as one injured by others; penitentially, as contributing to this injury himself), "Much of my studies has been thrown away; many books which were useless, or worse than useless, I have read; many books which ought to have been read, I have left unread; such is the sad necessity under the absence of all preconceived plan; and the proper road is first ascertained when the journey is drawing to its close."
31 October 2016
Thomas De Quincey, "Conversation," The Lost Art of Conversation, ed. Horatio Sheafe Krans (New York: Sturgis & Walton Co., 1910), pp. 30-31: